LLVMFuzzerTestOneInput:
   24|  10.1k|{
   25|  10.1k|    constexpr auto var_count = 8;
   26|  10.1k|    constexpr auto bits      = 3;
   27|       |
   28|  10.1k|    using vector_t = immer::flex_vector<int, st_memory, bits, bits>;
   29|  10.1k|    using size_t   = std::uint8_t;
   30|       |
   31|  10.1k|    auto vars = std::array<vector_t, var_count>{};
   32|       |
   33|  10.1k|    auto is_valid_var = [&](auto idx) { return idx >= 0 && idx < var_count; };
   34|  10.1k|    auto is_valid_var_neq = [](auto other) {
   35|  10.1k|        return [=](auto idx) {
   36|  10.1k|            return idx >= 0 && idx < var_count && idx != other;
   37|  10.1k|        };
   38|  10.1k|    };
   39|  10.1k|    auto is_valid_index = [](auto& v) {
   40|  10.1k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
   41|  10.1k|    };
   42|  10.1k|    auto is_valid_size = [](auto& v) {
   43|  10.1k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
   44|  10.1k|    };
   45|  10.1k|    auto can_concat = [](const auto& v1, const auto& v2) {
   46|       |        // First, check max_size
   47|  10.1k|        if (v1.size() + v2.size() > vector_t::max_size()) {
   48|  10.1k|            return false;
   49|  10.1k|        }
   50|       |
   51|       |        // But just checking max_size is not sufficient, because there are other
   52|       |        // conditions for the validity of the tree, like shift constraints, for
   53|       |        // example.
   54|  10.1k|        try {
   55|       |            // Try to concat and catch an exception if it fails
   56|  10.1k|            const auto v3 = v1 + v2;
   57|  10.1k|            if (v3.size()) {
   58|  10.1k|                return true;
   59|  10.1k|            }
   60|  10.1k|        } catch (const immer::detail::rbts::invalid_tree&) {
   61|  10.1k|            return false;
   62|  10.1k|        }
   63|  10.1k|        return true;
   64|  10.1k|    };
   65|  10.1k|    auto can_compare = [](auto&& v) {
   66|       |        // avoid comparing vectors that are too big, and hence, slow to compare
   67|  10.1k|        return v.size() < (1 << 15);
   68|  10.1k|    };
   69|  10.1k|    return fuzzer_input{data, size}.run([&](auto& in) {
   70|  10.1k|        enum ops
   71|  10.1k|        {
   72|  10.1k|            op_push_back,
   73|  10.1k|            op_update,
   74|  10.1k|            op_take,
   75|  10.1k|            op_drop,
   76|  10.1k|            op_concat,
   77|  10.1k|            op_push_back_move,
   78|  10.1k|            op_update_move,
   79|  10.1k|            op_take_move,
   80|  10.1k|            op_drop_move,
   81|  10.1k|            op_concat_move_l,
   82|  10.1k|            op_concat_move_r,
   83|  10.1k|            op_concat_move_lr,
   84|  10.1k|            op_insert,
   85|  10.1k|            op_erase,
   86|  10.1k|            op_compare,
   87|  10.1k|        };
   88|  10.1k|        auto src = read<char>(in, is_valid_var);
   89|  10.1k|        auto dst = read<char>(in, is_valid_var);
   90|  10.1k|        switch (read<char>(in)) {
   91|  10.1k|        case op_push_back: {
   92|  10.1k|            vars[dst] = vars[src].push_back(42);
   93|  10.1k|            break;
   94|  10.1k|        }
   95|  10.1k|        case op_update: {
   96|  10.1k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
   97|  10.1k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
   98|  10.1k|            break;
   99|  10.1k|        }
  100|  10.1k|        case op_take: {
  101|  10.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  102|  10.1k|            vars[dst] = vars[src].take(idx);
  103|  10.1k|            break;
  104|  10.1k|        }
  105|  10.1k|        case op_drop: {
  106|  10.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  107|  10.1k|            vars[dst] = vars[src].drop(idx);
  108|  10.1k|            break;
  109|  10.1k|        }
  110|  10.1k|        case op_concat: {
  111|  10.1k|            auto src2 = read<char>(in, is_valid_var);
  112|  10.1k|            if (can_concat(vars[src], vars[src2]))
  113|  10.1k|                vars[dst] = vars[src] + vars[src2];
  114|  10.1k|            break;
  115|  10.1k|        }
  116|  10.1k|        case op_push_back_move: {
  117|  10.1k|            vars[dst] = std::move(vars[src]).push_back(21);
  118|  10.1k|            break;
  119|  10.1k|        }
  120|  10.1k|        case op_update_move: {
  121|  10.1k|            auto idx = read<size_t>(in, is_valid_index(vars[src]));
  122|  10.1k|            vars[dst] =
  123|  10.1k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
  124|  10.1k|            break;
  125|  10.1k|        }
  126|  10.1k|        case op_take_move: {
  127|  10.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  128|  10.1k|            vars[dst] = std::move(vars[src]).take(idx);
  129|  10.1k|            break;
  130|  10.1k|        }
  131|  10.1k|        case op_drop_move: {
  132|  10.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  133|  10.1k|            vars[dst] = std::move(vars[src]).drop(idx);
  134|  10.1k|            break;
  135|  10.1k|        }
  136|  10.1k|        case op_concat_move_l: {
  137|  10.1k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  138|  10.1k|            if (can_concat(vars[src], vars[src2]))
  139|  10.1k|                vars[dst] = std::move(vars[src]) + vars[src2];
  140|  10.1k|            break;
  141|  10.1k|        }
  142|  10.1k|        case op_concat_move_r: {
  143|  10.1k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  144|  10.1k|            if (can_concat(vars[src], vars[src2]))
  145|  10.1k|                vars[dst] = vars[src] + std::move(vars[src2]);
  146|  10.1k|            break;
  147|  10.1k|        }
  148|  10.1k|        case op_concat_move_lr: {
  149|  10.1k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  150|  10.1k|            if (can_concat(vars[src], vars[src2]))
  151|  10.1k|                vars[dst] = std::move(vars[src]) + std::move(vars[src2]);
  152|  10.1k|            break;
  153|  10.1k|        }
  154|  10.1k|        case op_compare: {
  155|  10.1k|            using std::swap;
  156|  10.1k|            if (can_compare(vars[src]) && vars[src] == vars[dst])
  157|  10.1k|                swap(vars[src], vars[dst]);
  158|  10.1k|            break;
  159|  10.1k|        }
  160|  10.1k|        case op_erase: {
  161|  10.1k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
  162|  10.1k|            vars[dst] = vars[src].erase(idx);
  163|  10.1k|            break;
  164|  10.1k|        }
  165|  10.1k|        case op_insert: {
  166|  10.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  167|  10.1k|            vars[dst] = vars[src].insert(idx, immer::box<int>{42});
  168|  10.1k|            break;
  169|  10.1k|        }
  170|  10.1k|        default:
  171|  10.1k|            break;
  172|  10.1k|        };
  173|  10.1k|        return true;
  174|  10.1k|    });
  175|  10.1k|}
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_:
   69|  2.12M|    return fuzzer_input{data, size}.run([&](auto& in) {
   70|  2.12M|        enum ops
   71|  2.12M|        {
   72|  2.12M|            op_push_back,
   73|  2.12M|            op_update,
   74|  2.12M|            op_take,
   75|  2.12M|            op_drop,
   76|  2.12M|            op_concat,
   77|  2.12M|            op_push_back_move,
   78|  2.12M|            op_update_move,
   79|  2.12M|            op_take_move,
   80|  2.12M|            op_drop_move,
   81|  2.12M|            op_concat_move_l,
   82|  2.12M|            op_concat_move_r,
   83|  2.12M|            op_concat_move_lr,
   84|  2.12M|            op_insert,
   85|  2.12M|            op_erase,
   86|  2.12M|            op_compare,
   87|  2.12M|        };
   88|  2.12M|        auto src = read<char>(in, is_valid_var);
   89|  2.12M|        auto dst = read<char>(in, is_valid_var);
   90|  2.12M|        switch (read<char>(in)) {
   91|   270k|        case op_push_back: {
  ------------------
  |  Branch (91:9): [True: 270k, False: 1.85M]
  ------------------
   92|   270k|            vars[dst] = vars[src].push_back(42);
   93|   270k|            break;
   94|      0|        }
   95|   144k|        case op_update: {
  ------------------
  |  Branch (95:9): [True: 144k, False: 1.98M]
  ------------------
   96|   144k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
   97|   144k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
   98|   144k|            break;
   99|      0|        }
  100|  1.91k|        case op_take: {
  ------------------
  |  Branch (100:9): [True: 1.91k, False: 2.12M]
  ------------------
  101|  1.91k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  102|  1.91k|            vars[dst] = vars[src].take(idx);
  103|  1.91k|            break;
  104|      0|        }
  105|  8.52k|        case op_drop: {
  ------------------
  |  Branch (105:9): [True: 8.52k, False: 2.12M]
  ------------------
  106|  8.52k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  107|  8.52k|            vars[dst] = vars[src].drop(idx);
  108|  8.52k|            break;
  109|      0|        }
  110|   770k|        case op_concat: {
  ------------------
  |  Branch (110:9): [True: 770k, False: 1.35M]
  ------------------
  111|   770k|            auto src2 = read<char>(in, is_valid_var);
  112|   770k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (112:17): [True: 745k, False: 24.7k]
  ------------------
  113|   745k|                vars[dst] = vars[src] + vars[src2];
  114|   770k|            break;
  115|      0|        }
  116|  13.0k|        case op_push_back_move: {
  ------------------
  |  Branch (116:9): [True: 13.0k, False: 2.11M]
  ------------------
  117|  13.0k|            vars[dst] = std::move(vars[src]).push_back(21);
  118|  13.0k|            break;
  119|      0|        }
  120|  15.7k|        case op_update_move: {
  ------------------
  |  Branch (120:9): [True: 15.7k, False: 2.11M]
  ------------------
  121|  15.7k|            auto idx = read<size_t>(in, is_valid_index(vars[src]));
  122|  15.7k|            vars[dst] =
  123|  15.7k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
  124|  15.7k|            break;
  125|      0|        }
  126|  32.8k|        case op_take_move: {
  ------------------
  |  Branch (126:9): [True: 32.8k, False: 2.09M]
  ------------------
  127|  32.8k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  128|  32.8k|            vars[dst] = std::move(vars[src]).take(idx);
  129|  32.8k|            break;
  130|      0|        }
  131|  69.5k|        case op_drop_move: {
  ------------------
  |  Branch (131:9): [True: 69.5k, False: 2.06M]
  ------------------
  132|  69.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  133|  69.5k|            vars[dst] = std::move(vars[src]).drop(idx);
  134|  69.5k|            break;
  135|      0|        }
  136|   345k|        case op_concat_move_l: {
  ------------------
  |  Branch (136:9): [True: 345k, False: 1.78M]
  ------------------
  137|   345k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  138|   345k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (138:17): [True: 340k, False: 4.64k]
  ------------------
  139|   340k|                vars[dst] = std::move(vars[src]) + vars[src2];
  140|   345k|            break;
  141|      0|        }
  142|  7.91k|        case op_concat_move_r: {
  ------------------
  |  Branch (142:9): [True: 7.91k, False: 2.12M]
  ------------------
  143|  7.91k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  144|  7.91k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (144:17): [True: 4.52k, False: 3.39k]
  ------------------
  145|  4.52k|                vars[dst] = vars[src] + std::move(vars[src2]);
  146|  7.91k|            break;
  147|      0|        }
  148|   354k|        case op_concat_move_lr: {
  ------------------
  |  Branch (148:9): [True: 354k, False: 1.77M]
  ------------------
  149|   354k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  150|   354k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (150:17): [True: 346k, False: 8.13k]
  ------------------
  151|   346k|                vars[dst] = std::move(vars[src]) + std::move(vars[src2]);
  152|   354k|            break;
  153|      0|        }
  154|  37.4k|        case op_compare: {
  ------------------
  |  Branch (154:9): [True: 37.4k, False: 2.09M]
  ------------------
  155|  37.4k|            using std::swap;
  156|  37.4k|            if (can_compare(vars[src]) && vars[src] == vars[dst])
  ------------------
  |  Branch (156:17): [True: 34.1k, False: 3.29k]
  |  Branch (156:43): [True: 6.57k, False: 27.6k]
  ------------------
  157|  6.57k|                swap(vars[src], vars[dst]);
  158|  37.4k|            break;
  159|      0|        }
  160|  3.72k|        case op_erase: {
  ------------------
  |  Branch (160:9): [True: 3.72k, False: 2.12M]
  ------------------
  161|  3.72k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
  162|  3.72k|            vars[dst] = vars[src].erase(idx);
  163|  3.72k|            break;
  164|      0|        }
  165|  15.5k|        case op_insert: {
  ------------------
  |  Branch (165:9): [True: 15.5k, False: 2.11M]
  ------------------
  166|  15.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  167|  15.5k|            vars[dst] = vars[src].insert(idx, immer::box<int>{42});
  168|  15.5k|            break;
  169|      0|        }
  170|  28.6k|        default:
  ------------------
  |  Branch (170:9): [True: 28.6k, False: 2.10M]
  ------------------
  171|  28.6k|            break;
  172|  2.12M|        };
  173|  2.11M|        return true;
  174|  2.12M|    });
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_0clIcEEDaT_:
   33|  5.47M|    auto is_valid_var = [&](auto idx) { return idx >= 0 && idx < var_count; };
  ------------------
  |  Branch (33:48): [True: 5.27M, False: 201k]
  |  Branch (33:60): [True: 5.01M, False: 266k]
  ------------------
flex-vector-st.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaRT_ENKUlSC_E_clIhEEDaSC_:
   40|   169k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
  ------------------
  |  Branch (40:39): [True: 169k, False: 0]
  |  Branch (40:51): [True: 163k, False: 6.41k]
  ------------------
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaRT_:
   39|   163k|    auto is_valid_index = [](auto& v) {
   40|   163k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
   41|   163k|    };
flex-vector-st.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_ENKUlS2_E_clIiEEDaS2_:
   97|   143k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
flex-vector-st.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaRT_ENKUlSC_E_clIhEEDaSC_:
   43|   138k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
  ------------------
  |  Branch (43:39): [True: 138k, False: 0]
  |  Branch (43:51): [True: 128k, False: 10.6k]
  ------------------
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaRT_:
   42|   128k|    auto is_valid_size = [](auto& v) {
   43|   128k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
   44|   128k|    };
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_4clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb0ELb1EEELj3ELj3EEESB_EEDaRKT_RKT0_:
   45|  1.47M|    auto can_concat = [](const auto& v1, const auto& v2) {
   46|       |        // First, check max_size
   47|  1.47M|        if (v1.size() + v2.size() > vector_t::max_size()) {
  ------------------
  |  Branch (47:13): [True: 39.0k, False: 1.43M]
  ------------------
   48|  39.0k|            return false;
   49|  39.0k|        }
   50|       |
   51|       |        // But just checking max_size is not sufficient, because there are other
   52|       |        // conditions for the validity of the tree, like shift constraints, for
   53|       |        // example.
   54|  1.43M|        try {
   55|       |            // Try to concat and catch an exception if it fails
   56|  1.43M|            const auto v3 = v1 + v2;
   57|  1.43M|            if (v3.size()) {
  ------------------
  |  Branch (57:17): [True: 1.43M, False: 2.90k]
  ------------------
   58|  1.43M|                return true;
   59|  1.43M|            }
   60|  1.43M|        } catch (const immer::detail::rbts::invalid_tree&) {
   61|  1.64k|            return false;
   62|  1.64k|        }
   63|  1.25k|        return true;
   64|  1.43M|    };
flex-vector-st.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_ENKUlS2_E0_clIiEEDaS2_:
  123|  15.7k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
flex-vector-st.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_ENKUlS1_E_clIcEEDaS1_:
   35|   783k|        return [=](auto idx) {
   36|   783k|            return idx >= 0 && idx < var_count && idx != other;
  ------------------
  |  Branch (36:20): [True: 766k, False: 17.0k]
  |  Branch (36:32): [True: 735k, False: 31.2k]
  |  Branch (36:51): [True: 707k, False: 27.8k]
  ------------------
   37|   783k|        };
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_:
   34|   707k|    auto is_valid_var_neq = [](auto other) {
   35|   707k|        return [=](auto idx) {
   36|   707k|            return idx >= 0 && idx < var_count && idx != other;
   37|   707k|        };
   38|   707k|    };
flex-vector-st.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_5clIRN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaOT_:
   65|  37.4k|    auto can_compare = [](auto&& v) {
   66|       |        // avoid comparing vectors that are too big, and hence, slow to compare
   67|  37.4k|        return v.size() < (1 << 15);
   68|  37.4k|    };

flex-vector-st.cpp:_ZN12fuzzer_input3runIZ22LLVMFuzzerTestOneInputE3$_6EEiT_:
   50|  10.1k|    {
   51|  10.1k|        if (size_ > fuzzer_input_max_size)
  ------------------
  |  Branch (51:13): [True: 3, False: 10.1k]
  ------------------
   52|      3|            return 0;
   53|  10.1k|        try {
   54|  2.12M|            while (step(*this))
  ------------------
  |  Branch (54:20): [True: 2.11M, False: 10.1k]
  ------------------
   55|  2.11M|                continue;
   56|  10.1k|        } catch (const no_more_input&) {
   57|  10.1k|        };
   58|  10.1k|        return 0;
   59|  10.1k|    }
flex-vector-st.cpp:_Z4readIcZ22LLVMFuzzerTestOneInputE3$_0ET_R12fuzzer_inputT0_:
   70|  5.02M|{
   71|  5.02M|    auto x = read<T>(fz);
   72|  5.48M|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 467k, False: 5.02M]
  ------------------
   73|   467k|        x = read<T>(fz);
   74|  5.02M|    return x;
   75|  5.02M|}
_Z4readIcERKT_R12fuzzer_input:
   64|  8.39M|{
   65|  8.39M|    return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T)));
   66|  8.39M|}
_ZN12fuzzer_input4nextEmm:
   40|  8.70M|    {
   41|  8.70M|        auto& p = const_cast<void*&>(reinterpret_cast<const void*&>(data_));
   42|  8.70M|        auto r  = std::align(align, size, p, size_);
   43|  8.70M|        if (r == nullptr)
  ------------------
  |  Branch (43:13): [True: 10.1k, False: 8.69M]
  ------------------
   44|  10.1k|            throw no_more_input{};
   45|  8.69M|        return next(size);
   46|  8.70M|    }
_ZN12fuzzer_input4nextEm:
   30|  8.69M|    {
   31|  8.69M|        if (size_ < size)
  ------------------
  |  Branch (31:13): [True: 0, False: 8.69M]
  ------------------
   32|      0|            throw no_more_input{};
   33|  8.69M|        auto r = data_;
   34|  8.69M|        data_ += size;
   35|  8.69M|        size_ -= size;
   36|  8.69M|        return r;
   37|  8.69M|    }
flex-vector-st.cpp:_Z4readIhZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS2_13memory_policyINS2_11heap_policyINS2_8cpp_heapEEENS2_22unsafe_refcount_policyENS2_14no_lock_policyENS2_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaRT_EUlSD_E_ESD_R12fuzzer_inputT0_:
   70|   163k|{
   71|   163k|    auto x = read<T>(fz);
   72|   169k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 6.41k, False: 163k]
  ------------------
   73|  6.41k|        x = read<T>(fz);
   74|   163k|    return x;
   75|   163k|}
_Z4readIhERKT_R12fuzzer_input:
   64|   308k|{
   65|   308k|    return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T)));
   66|   308k|}
flex-vector-st.cpp:_Z4readIhZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS2_13memory_policyINS2_11heap_policyINS2_8cpp_heapEEENS2_22unsafe_refcount_policyENS2_14no_lock_policyENS2_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaRT_EUlSD_E_ESD_R12fuzzer_inputT0_:
   70|   128k|{
   71|   128k|    auto x = read<T>(fz);
   72|   139k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 10.6k, False: 128k]
  ------------------
   73|  10.6k|        x = read<T>(fz);
   74|   128k|    return x;
   75|   128k|}
flex-vector-st.cpp:_Z4readIcZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_EUlS2_E_ES2_R12fuzzer_inputT0_:
   70|   707k|{
   71|   707k|    auto x = read<T>(fz);
   72|   784k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 76.1k, False: 707k]
  ------------------
   73|  76.1k|        x = read<T>(fz);
   74|   707k|    return x;
   75|   707k|}

_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEEC2IiviEEOT_:
   85|  15.5k|        : impl_{detail::make<heap, holder>(std::forward<Arg>(arg))}
   86|  15.5k|    {
   87|  15.5k|    }
_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE6holderC2IJiEEEDpOT_:
   47|  15.5k|            : value(std::forward<Args>(args)...)
   48|  15.5k|        {
   49|  15.5k|        }
_ZNK5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEEcvRKiEv:
  142|  15.5k|    operator const T&() const { return get(); }
_ZNK5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE3getEv:
  139|  15.5k|    IMMER_NODISCARD const T& get() const { return impl_->value; }
_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEED2Ev:
  131|  15.5k|    {
  132|  15.5k|        if (impl_ && impl_->dec()) {
  ------------------
  |  Branch (132:13): [True: 15.5k, False: 0]
  |  Branch (132:22): [True: 15.5k, False: 0]
  ------------------
  133|  15.5k|            impl_->~holder();
  134|  15.5k|            heap::deallocate(sizeof(holder), impl_);
  135|  15.5k|        }
  136|  15.5k|    }

_ZN5immer6detail3csl3getINS_22unsafe_refcount_policyEEEDcRKNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEES3_NS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS3_NS1_7inheritINSC_5applyISA_E4type5owneeEvE4typeEE4typeEE4typeE:
  170|   696M|        {
  171|   696M|            return x.get_(type_t<U>{});
  172|   696M|        }
_ZNK5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_IS9_EEDcNS1_6type_tIT_EE:
  184|   696M|        {
  185|   696M|            return n.get_(t);
  186|   696M|        }
_ZNK5immer6detail3csl6memberINS_22unsafe_refcount_policyENS1_7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4typeEE4type4get_ENS1_6type_tIS3_EE:
  128|   745M|        const T& get_(type_t<T>) const { return d; }
_ZN5immer6detail3csl3getINS_22unsafe_refcount_policyEEEDcRKNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEES3_NS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14relaxed_data_tENS1_6memberIS3_NS1_7inheritINSC_5applyISA_E4type5owneeEvE4typeEE4typeEE4typeE:
  170|  48.9M|        {
  171|  48.9M|            return x.get_(type_t<U>{});
  172|  48.9M|        }
_ZNK5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14relaxed_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_IS9_EEDcNS1_6type_tIT_EE:
  184|  48.9M|        {
  185|  48.9M|            return n.get_(t);
  186|  48.9M|        }
_ZN5immer6detail3csl3getINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEEEDcRNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyIS7_NS_22unsafe_refcount_policyENS_14no_lock_policyES3_Lb0ELb1EEELj3ELj3EE14relaxed_data_tENS1_6memberISF_NS1_7inheritISA_vE4typeEE4typeEE4typeE:
  165|  48.4M|        {
  166|  48.4M|            return x.get_(type_t<U>{});
  167|  48.4M|        }
_ZN5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14relaxed_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_ISK_EEDcNS1_6type_tIT_EE:
  179|  48.4M|        {
  180|  48.4M|            return n.get_(t);
  181|  48.4M|        }
_ZN5immer6detail3csl7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4type4get_ENS1_6type_tISA_EE:
  102|   105M|        T& get_(type_t<T>) { return *this; }
_ZN5immer6detail3csl3getINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEEEDcRNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyIS7_NS_22unsafe_refcount_policyENS_14no_lock_policyES3_Lb0ELb1EEELj3ELj3EE11impl_data_tENS1_6memberISF_NS1_7inheritISA_vE4typeEE4typeEE4typeE:
  165|  57.2M|        {
  166|  57.2M|            return x.get_(type_t<U>{});
  167|  57.2M|        }
_ZN5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_ISK_EEDcNS1_6type_tIT_EE:
  179|  57.2M|        {
  180|  57.2M|            return n.get_(t);
  181|  57.2M|        }
_ZN5immer6detail3csl3getINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEEEDcRKNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyIS7_NS_22unsafe_refcount_policyENS_14no_lock_policyES3_Lb0ELb1EEELj3ELj3EE11impl_data_tENS1_6memberISF_NS1_7inheritISA_vE4typeEE4typeEE4typeE:
  170|   162k|        {
  171|   162k|            return x.get_(type_t<U>{});
  172|   162k|        }
_ZNK5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_ISK_EEDcNS1_6type_tIT_EE:
  184|   162k|        {
  185|   162k|            return n.get_(t);
  186|   162k|        }
_ZNK5immer6detail3csl7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4type4get_ENS1_6type_tISA_EE:
  103|   162k|        const T& get_(type_t<T>) const { return *this; }

_ZNK5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EdeEv:
   99|  11.8M|    ReferenceT operator*() const { return access_t::dereference(derived()); }
_ZN5immer6detail20iterator_core_access11dereferenceIRKNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDcOT_:
   22|  11.8M|    {
   23|  11.8M|        return x.dereference();
   24|  11.8M|    }
_ZNK5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_E7derivedEv:
   86|  11.9M|    {
   87|  11.9M|        static_assert(std::is_base_of<iterator_facade, DerivedT>::value,
   88|  11.9M|                      "must pass a derived thing");
   89|  11.9M|        return *static_cast<const DerivedT*>(this);
   90|  11.9M|    }
_ZN5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EpLEl:
  151|   232k|    {
  152|   232k|        access_t::advance(derived(), n);
  153|   232k|        return derived();
  154|   232k|    }
_ZN5immer6detail20iterator_core_access7advanceIRNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEElEEDcOT_T0_:
   46|   232k|    {
   47|   232k|        return x.advance(d);
   48|   232k|    }
_ZN5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_E7derivedEv:
   92|  21.0M|    {
   93|  21.0M|        static_assert(std::is_base_of<iterator_facade, DerivedT>::value,
   94|  21.0M|                      "must pass a derived thing");
   95|  21.0M|        return *static_cast<DerivedT*>(this);
   96|  21.0M|    }
_ZN5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EppEv:
  119|  10.3M|    {
  120|  10.3M|        access_t::increment(derived());
  121|  10.3M|        return derived();
  122|  10.3M|    }
_ZN5immer6detail20iterator_core_access9incrementIRNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDcOT_:
   28|  10.3M|    {
   29|  10.3M|        return x.increment();
   30|  10.3M|    }
_ZNK5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EplISI_TnNSD_9enable_ifIXsrT_16is_random_accessEbE4typeELb1EEESC_l:
  164|  72.2k|    {
  165|  72.2k|        auto tmp = derived();
  166|  72.2k|        return tmp += n;
  167|  72.2k|    }

_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE17make_inner_n_intoEPvmj:
  213|  5.21M|    {
  214|  5.21M|        assert(n <= branches<B>);
  ------------------
  |  Branch (214:9): [True: 5.21M, False: 0]
  ------------------
  215|  5.21M|        assert(size >= sizeof_inner_n(n));
  ------------------
  |  Branch (215:9): [True: 5.21M, False: 0]
  ------------------
  216|  5.21M|        auto p                       = new (buffer) node_t;
  217|  5.21M|        p->impl.d.data.inner.relaxed = nullptr;
  218|  5.21M|#if IMMER_TAGGED_NODE
  219|  5.21M|        p->impl.d.kind = node_t::kind_t::inner;
  220|  5.21M|#endif
  221|  5.21M|        return p;
  222|  5.21M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14sizeof_inner_nEj:
  145|  20.9M|    {
  146|  20.9M|        return keep_headroom ? max_sizeof_inner : sizeof_packed_inner_n(n);
  ------------------
  |  Branch (146:16): [True: 20.9M, Folded]
  ------------------
  147|  20.9M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE3incEv:
  956|   176M|    {
  957|   176M|        refs(this).inc();
  958|   176M|        return this;
  959|   176M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4refsEPKSB_:
  203|   696M|    {
  204|   696M|        return auto_const_cast(get<refs_t>(x->impl));
  205|   696M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE16make_leaf_n_intoEPvmj:
  330|  2.52M|    {
  331|  2.52M|        assert(n <= branches<BL>);
  ------------------
  |  Branch (331:9): [True: 2.52M, False: 0]
  ------------------
  332|  2.52M|        assert(size >= sizeof_leaf_n(n));
  ------------------
  |  Branch (332:9): [True: 2.52M, False: 0]
  ------------------
  333|  2.52M|        auto p = new (buffer) node_t;
  334|  2.52M|#if IMMER_TAGGED_NODE
  335|  2.52M|        p->impl.d.kind = node_t::kind_t::leaf;
  336|  2.52M|#endif
  337|  2.52M|        return p;
  338|  2.52M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE13sizeof_leaf_nEj:
  160|  10.4M|    {
  161|  10.4M|        return keep_headroom ? max_sizeof_leaf : sizeof_packed_leaf_n(n);
  ------------------
  |  Branch (161:16): [True: 10.4M, Folded]
  ------------------
  162|  10.4M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE7relaxedEv:
  172|   968M|    {
  173|   968M|        IMMER_ASSERT_TAGGED(kind() == kind_t::inner);
  ------------------
  |  |   68|   968M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (173:9): [True: 968M, False: 0]
  ------------------
  174|   968M|        return impl.d.data.inner.relaxed;
  175|   968M|    }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4kindEv:
  168|  1.51G|    kind_t kind() const { return impl.d.kind; }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE3decEv:
  967|   375M|    bool dec() const { return refs(this).dec(); }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE5innerEv:
  184|   438M|    {
  185|   438M|        IMMER_ASSERT_TAGGED(kind() == kind_t::inner);
  ------------------
  |  |   68|   438M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (185:9): [True: 438M, False: 0]
  ------------------
  186|   438M|        return impl.d.data.inner.get_storage_ptr();
  187|   438M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14delete_inner_rEPSB_j:
  832|  48.3M|    {
  833|  48.3M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::inner);
  ------------------
  |  |   68|  48.3M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (833:9): [True: 48.3M, False: 0]
  ------------------
  834|  48.3M|        auto r = p->relaxed();
  835|  48.3M|        assert(r);
  ------------------
  |  Branch (835:9): [True: 48.3M, False: 0]
  ------------------
  836|  48.3M|        static_if<!embed_relaxed>([&](auto) {
  837|  48.3M|            if (node_t::refs(r).dec())
  838|  48.3M|                heap::deallocate(node_t::ownee(r).owned()
  839|  48.3M|                                     ? node_t::max_sizeof_relaxed
  840|  48.3M|                                     : node_t::sizeof_relaxed_n(n),
  841|  48.3M|                                 r);
  842|  48.3M|        });
  843|  48.3M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_inner_r
  ------------------
  |  Branch (843:26): [True: 0, False: 48.3M]
  ------------------
  844|  48.3M|                                          : node_t::sizeof_inner_r_n(n),
  845|  48.3M|                         p);
  846|  48.3M|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14delete_inner_rEPSB_jENKUlT_E_clINS0_7empty_tEEEDaSD_:
  836|  48.3M|        static_if<!embed_relaxed>([&](auto) {
  837|  48.3M|            if (node_t::refs(r).dec())
  ------------------
  |  Branch (837:17): [True: 48.2M, False: 152k]
  ------------------
  838|  48.2M|                heap::deallocate(node_t::ownee(r).owned()
  ------------------
  |  Branch (838:34): [True: 0, False: 48.2M]
  ------------------
  839|  48.2M|                                     ? node_t::max_sizeof_relaxed
  840|  48.2M|                                     : node_t::sizeof_relaxed_n(n),
  841|  48.2M|                                 r);
  842|  48.3M|        });
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4refsEPKNS0_3csl10member_twoINSB_14relaxed_data_tENSC_6memberIS7_NSC_7inheritINS9_5applyIS6_E4type5owneeEvE4typeEE4typeEE4typeE:
  196|  48.9M|    {
  197|  48.9M|        return auto_const_cast(get<refs_t>(*x));
  198|  48.9M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE5owneeEPNS0_3csl10member_twoINSB_14relaxed_data_tENSC_6memberIS7_NSC_7inheritINS9_5applyIS6_E4type5owneeEvE4typeEE4typeEE4typeE:
  200|  48.4M|    static ownee_t& ownee(relaxed_t* x) { return get<ownee_t>(*x); }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE16sizeof_relaxed_nEj:
  155|  96.2M|    {
  156|  96.2M|        return keep_headroom ? max_sizeof_relaxed : sizeof_packed_relaxed_n(n);
  ------------------
  |  Branch (156:16): [True: 96.2M, Folded]
  ------------------
  157|  96.2M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE5owneeEPSB_:
  210|  57.2M|    static ownee_t& ownee(node_t* x) { return get<ownee_t>(x->impl); }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE16sizeof_inner_r_nEj:
  150|  96.5M|    {
  151|  96.5M|        return keep_headroom ? max_sizeof_inner_r : sizeof_packed_inner_r_n(n);
  ------------------
  |  Branch (151:16): [True: 96.5M, Folded]
  ------------------
  152|  96.5M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11delete_leafEPSB_j:
  861|  2.91M|    {
  862|  2.91M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::leaf);
  ------------------
  |  |   68|  2.91M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (862:9): [True: 2.91M, False: 0]
  ------------------
  863|  2.91M|        detail::destroy_n(p->leaf(), n);
  864|  2.91M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_leaf
  ------------------
  |  Branch (864:26): [True: 0, False: 2.91M]
  ------------------
  865|  2.91M|                                          : node_t::sizeof_leaf_n(n),
  866|  2.91M|                         p);
  867|  2.91M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4leafEv:
  190|  19.2M|    {
  191|  19.2M|        IMMER_ASSERT_TAGGED(kind() == kind_t::leaf);
  ------------------
  |  |   68|  19.2M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (191:9): [True: 19.2M, False: 0]
  ------------------
  192|  19.2M|        return impl.d.data.leaf.get_storage_ptr();
  193|  19.2M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE12delete_innerEPSB_j:
  808|  5.29M|    {
  809|  5.29M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::inner);
  ------------------
  |  |   68|  5.29M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (809:9): [True: 5.29M, False: 0]
  ------------------
  810|  5.29M|        assert(!p->relaxed());
  ------------------
  |  Branch (810:9): [True: 5.29M, False: 0]
  ------------------
  811|  5.29M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_inner
  ------------------
  |  Branch (811:26): [True: 0, False: 5.29M]
  ------------------
  812|  5.29M|                                          : node_t::sizeof_inner_n(n),
  813|  5.29M|                         p);
  814|  5.29M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE17copy_leaf_emplaceIiEEPSB_SD_jOT_:
  794|   227k|    {
  795|   227k|        auto dst = copy_leaf_n(n + 1, src, n);
  796|   227k|        IMMER_TRY {
  ------------------
  |  |   49|   227k|#define IMMER_TRY try
  ------------------
  797|   227k|            new (dst->leaf() + n) T(std::forward<U>(x));
  798|   227k|        }
  799|   227k|        IMMER_CATCH (...) {
  800|      0|            detail::destroy_n(dst->leaf(), n);
  801|      0|            heap::deallocate(node_t::sizeof_leaf_n(n + 1), dst);
  802|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  803|      0|        }
  804|   227k|        return dst;
  805|   227k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11copy_leaf_nEjPSB_j:
  696|   227k|    {
  697|   227k|        assert(allocn >= n);
  ------------------
  |  Branch (697:9): [True: 227k, False: 0]
  ------------------
  698|   227k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   227k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (698:9): [True: 227k, False: 0]
  ------------------
  699|   227k|        auto dst = make_leaf_n(allocn);
  700|   227k|        IMMER_TRY {
  ------------------
  |  |   49|   227k|#define IMMER_TRY try
  ------------------
  701|   227k|            detail::uninitialized_copy(
  702|   227k|                src->leaf(), src->leaf() + n, dst->leaf());
  703|   227k|        }
  704|   227k|        IMMER_CATCH (...) {
  705|      0|            heap::deallocate(node_t::sizeof_leaf_n(allocn), dst);
  706|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  707|      0|        }
  708|   227k|        return dst;
  709|   227k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11make_leaf_nEj:
  341|  2.52M|    {
  342|  2.52M|        assert(n <= branches<BL>);
  ------------------
  |  Branch (342:9): [True: 2.52M, False: 0]
  ------------------
  343|  2.52M|        auto m = heap::allocate(sizeof_leaf_n(n));
  344|  2.52M|        return make_leaf_n_into(m, sizeof_leaf_n(n), n);
  345|  2.52M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11make_leaf_nIiEEPSB_jOT_:
  470|  42.7k|    {
  471|  42.7k|        assert(n >= 1);
  ------------------
  |  Branch (471:9): [True: 42.7k, False: 0]
  ------------------
  472|  42.7k|        auto p = make_leaf_n(n);
  473|  42.7k|        IMMER_TRY {
  ------------------
  |  |   49|  42.7k|#define IMMER_TRY try
  ------------------
  474|  42.7k|            new (p->leaf()) T(std::forward<U>(x));
  475|  42.7k|        }
  476|  42.7k|        IMMER_CATCH (...) {
  477|      0|            heap::deallocate(node_t::sizeof_leaf_n(n), p);
  478|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  479|      0|        }
  480|  42.7k|        return p;
  481|  42.7k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE13do_copy_innerEPSB_SC_j:
  558|  5.01M|    {
  559|  5.01M|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|  5.01M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (559:9): [True: 5.01M, False: 0]
  ------------------
  560|  5.01M|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  5.01M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (560:9): [True: 5.01M, False: 0]
  ------------------
  561|  5.01M|        auto p = src->inner();
  562|  5.01M|        inc_nodes(p, n);
  563|  5.01M|        std::copy(p, p + n, dst->inner());
  564|  5.01M|        return dst;
  565|  5.01M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9inc_nodesEPPSB_j:
  970|  40.7M|    {
  971|   182M|        for (auto i = p, e = i + n; i != e; ++i)
  ------------------
  |  Branch (971:37): [True: 141M, False: 40.7M]
  ------------------
  972|   141M|            refs(*i).inc();
  973|  40.7M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14copy_inner_r_nEjPSB_j:
  588|   502k|    {
  589|   502k|        assert(allocn >= n);
  ------------------
  |  Branch (589:9): [True: 502k, False: 0]
  ------------------
  590|   502k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   502k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (590:9): [True: 502k, False: 0]
  ------------------
  591|   502k|        auto dst = make_inner_r_n(allocn);
  592|   502k|        return do_copy_inner_r(dst, src, n);
  593|   502k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE15do_copy_inner_rEPSB_SC_j:
  610|   521k|    {
  611|   521k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|   521k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (611:9): [True: 521k, False: 0]
  ------------------
  612|   521k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   521k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (612:9): [True: 521k, False: 0]
  ------------------
  613|   521k|        auto src_r = src->relaxed();
  614|   521k|        auto dst_r = dst->relaxed();
  615|   521k|        inc_nodes(src->inner(), n);
  616|   521k|        std::copy(src->inner(), src->inner() + n, dst->inner());
  617|   521k|        std::copy(src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  618|   521k|        dst_r->d.count = n;
  619|   521k|        return dst;
  620|   521k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14make_inner_r_nEj:
  243|  48.0M|    {
  244|  48.0M|        assert(n <= branches<B>);
  ------------------
  |  Branch (244:9): [True: 48.0M, False: 0]
  ------------------
  245|  48.0M|        auto mp = heap::allocate(sizeof_inner_r_n(n));
  246|  48.0M|        auto mr = static_cast<void*>(nullptr);
  247|  48.0M|        if (embed_relaxed) {
  ------------------
  |  Branch (247:13): [Folded, False: 48.0M]
  ------------------
  248|      0|            mr = reinterpret_cast<unsigned char*>(mp) + sizeof_inner_n(n);
  249|  48.0M|        } else {
  250|  48.0M|            IMMER_TRY {
  ------------------
  |  |   49|  48.0M|#define IMMER_TRY try
  ------------------
  251|  48.0M|                mr = heap::allocate(sizeof_relaxed_n(n), norefs_tag{});
  252|  48.0M|            }
  253|  48.0M|            IMMER_CATCH (...) {
  254|      0|                heap::deallocate(sizeof_inner_r_n(n), mp);
  255|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  256|      0|            }
  257|  48.0M|        }
  258|  48.0M|        auto p                       = new (mp) node_t;
  259|  48.0M|        auto r                       = new (mr) relaxed_t;
  260|  48.0M|        r->d.count                   = 0;
  261|  48.0M|        p->impl.d.data.inner.relaxed = r;
  262|  48.0M|#if IMMER_TAGGED_NODE
  263|  48.0M|        p->impl.d.kind = node_t::kind_t::inner;
  264|  48.0M|#endif
  265|  48.0M|        return p;
  266|  48.0M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9make_pathEjPSB_:
  498|  1.29M|    {
  499|  1.29M|        IMMER_ASSERT_TAGGED(node->kind() == kind_t::leaf);
  ------------------
  |  |   68|  1.29M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (499:9): [True: 1.29M, False: 0]
  ------------------
  500|  1.29M|        if (shift == endshift<B, BL>)
  ------------------
  |  Branch (500:13): [True: 1.10M, False: 188k]
  ------------------
  501|  1.10M|            return node;
  502|   188k|        else {
  503|   188k|            auto n = node_t::make_inner_n(1);
  504|   188k|            IMMER_TRY {
  ------------------
  |  |   49|   188k|#define IMMER_TRY try
  ------------------
  505|   188k|                n->inner()[0] = make_path(shift - B, node);
  506|   188k|            }
  507|   188k|            IMMER_CATCH (...) {
  508|      0|                heap::deallocate(node_t::sizeof_inner_n(1), n);
  509|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  510|      0|            }
  511|   188k|            return n;
  512|   188k|        }
  513|  1.29M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE12make_inner_nEj:
  224|  5.21M|    {
  225|  5.21M|        assert(n <= branches<B>);
  ------------------
  |  Branch (225:9): [True: 5.21M, False: 0]
  ------------------
  226|  5.21M|        auto m = heap::allocate(sizeof_inner_n(n));
  227|  5.21M|        return make_inner_n_into(m, sizeof_inner_n(n), n);
  228|  5.21M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9copy_leafEPSB_j:
  666|   155k|    {
  667|   155k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   155k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (667:9): [True: 155k, False: 0]
  ------------------
  668|   155k|        auto dst = make_leaf_n(n);
  669|   155k|        IMMER_TRY {
  ------------------
  |  |   49|   155k|#define IMMER_TRY try
  ------------------
  670|   155k|            detail::uninitialized_copy(
  671|   155k|                src->leaf(), src->leaf() + n, dst->leaf());
  672|   155k|        }
  673|   155k|        IMMER_CATCH (...) {
  674|      0|            heap::deallocate(node_t::sizeof_leaf_n(n), dst);
  675|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  676|      0|        }
  677|   155k|        return dst;
  678|   155k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE15make_inner_sr_nEjPNS0_3csl10member_twoINSB_14relaxed_data_tENSC_6memberIS7_NSC_7inheritINS9_5applyIS6_E4type5owneeEvE4typeEE4typeEE4typeE:
  269|   157k|    {
  270|   157k|        return static_if<embed_relaxed, node_t*>(
  271|   157k|            [&](auto) { return node_t::make_inner_r_n(n); },
  272|   157k|            [&](auto) {
  273|   157k|                auto p =
  274|   157k|                    new (heap::allocate(node_t::sizeof_inner_r_n(n))) node_t;
  275|   157k|                assert(r->d.count >= n);
  276|   157k|                node_t::refs(r).inc();
  277|   157k|                p->impl.d.data.inner.relaxed = r;
  278|   157k|#if IMMER_TAGGED_NODE
  279|   157k|                p->impl.d.kind = node_t::kind_t::inner;
  280|   157k|#endif
  281|   157k|                return p;
  282|   157k|            });
  283|   157k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE15make_inner_sr_nEjPNS0_3csl10member_twoINSB_14relaxed_data_tENSC_6memberIS7_NSC_7inheritINS9_5applyIS6_E4type5owneeEvE4typeEE4typeEE4typeEENKUlT_E0_clINS0_7empty_tEEEDaSS_:
  272|   157k|            [&](auto) {
  273|   157k|                auto p =
  274|   157k|                    new (heap::allocate(node_t::sizeof_inner_r_n(n))) node_t;
  275|   157k|                assert(r->d.count >= n);
  ------------------
  |  Branch (275:17): [True: 157k, False: 0]
  ------------------
  276|   157k|                node_t::refs(r).inc();
  277|   157k|                p->impl.d.data.inner.relaxed = r;
  278|   157k|#if IMMER_TAGGED_NODE
  279|   157k|                p->impl.d.kind = node_t::kind_t::inner;
  280|   157k|#endif
  281|   157k|                return p;
  282|   157k|            });
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE24do_copy_inner_replace_srEPSB_SC_jjSC_:
  652|   157k|    {
  653|   157k|        if (embed_relaxed)
  ------------------
  |  Branch (653:13): [Folded, False: 157k]
  ------------------
  654|      0|            return do_copy_inner_replace_r(dst, src, n, offset, child);
  655|   157k|        else {
  656|   157k|            auto p = src->inner();
  657|   157k|            inc_nodes(p, offset);
  658|   157k|            inc_nodes(p + offset + 1, n - offset - 1);
  659|   157k|            std::copy(p, p + n, dst->inner());
  660|   157k|            dst->inner()[offset] = child;
  661|   157k|            return dst;
  662|   157k|        }
  663|   157k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE21do_copy_inner_replaceEPSB_SC_jjSC_:
  569|  40.1k|    {
  570|  40.1k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|  40.1k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (570:9): [True: 40.1k, False: 0]
  ------------------
  571|  40.1k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  40.1k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (571:9): [True: 40.1k, False: 0]
  ------------------
  572|  40.1k|        auto p = src->inner();
  573|  40.1k|        inc_nodes(p, offset);
  574|  40.1k|        inc_nodes(p + offset + 1, n - offset - 1);
  575|  40.1k|        std::copy(p, p + n, dst->inner());
  576|  40.1k|        dst->inner()[offset] = child;
  577|  40.1k|        return dst;
  578|  40.1k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE12copy_inner_nEjPSB_j:
  543|  8.61k|    {
  544|  8.61k|        assert(allocn >= n);
  ------------------
  |  Branch (544:9): [True: 8.61k, False: 0]
  ------------------
  545|  8.61k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  8.61k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (545:9): [True: 8.61k, False: 0]
  ------------------
  546|  8.61k|        auto dst = make_inner_n(allocn);
  547|  8.61k|        return do_copy_inner(dst, src, n);
  548|  8.61k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE12copy_inner_rEPSB_j:
  581|  3.06k|    {
  582|  3.06k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  3.06k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (582:9): [True: 3.06k, False: 0]
  ------------------
  583|  3.06k|        auto dst = make_inner_r_n(n);
  584|  3.06k|        return do_copy_inner_r(dst, src, n);
  585|  3.06k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE13compute_shiftEv:
  977|  14.4M|    {
  978|  14.4M|        if (kind() == kind_t::leaf)
  ------------------
  |  Branch (978:13): [True: 1.07M, False: 13.3M]
  ------------------
  979|  1.07M|            return endshift<B, BL>;
  980|  13.3M|        else
  981|  13.3M|            return B + inner()[0]->compute_shift();
  982|  14.4M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE5checkEjm:
  986|  1.07M|    {
  987|       |#if IMMER_DEBUG_DEEP_CHECK
  988|       |        assert(size > 0);
  989|       |        if (shift == endshift<B, BL>) {
  990|       |            IMMER_ASSERT_TAGGED(kind() == kind_t::leaf);
  991|       |            assert(size <= branches<BL>);
  992|       |        } else if (auto r = relaxed()) {
  993|       |            auto count = r->d.count;
  994|       |            assert(count > 0);
  995|       |            assert(count <= branches<B>);
  996|       |            if (r->d.sizes[count - 1] != size) {
  997|       |                IMMER_TRACE_F("check");
  998|       |                IMMER_TRACE_E(r->d.sizes[count - 1]);
  999|       |                IMMER_TRACE_E(size);
 1000|       |            }
 1001|       |            assert(r->d.sizes[count - 1] == size);
 1002|       |            for (auto i = 1u; i < count; ++i)
 1003|       |                assert(r->d.sizes[i - 1] < r->d.sizes[i]);
 1004|       |            auto last_size = size_t{};
 1005|       |            for (auto i = 0u; i < count; ++i) {
 1006|       |                assert(inner()[i]->check(shift - B, r->d.sizes[i] - last_size));
 1007|       |                last_size = r->d.sizes[i];
 1008|       |            }
 1009|       |        } else {
 1010|       |            assert(size <= branches<B> << shift);
 1011|       |            auto count =
 1012|       |                (size >> shift) + (size - ((size >> shift) << shift) > 0);
 1013|       |            assert(count <= branches<B>);
 1014|       |            if (count) {
 1015|       |                for (auto i = 1u; i < count - 1; ++i)
 1016|       |                    assert(inner()[i]->check(shift - B, 1 << shift));
 1017|       |                assert(inner()[count - 1]->check(
 1018|       |                    shift - B, size - ((count - 1) << shift)));
 1019|       |            }
 1020|       |        }
 1021|       |#endif // IMMER_DEBUG_DEEP_CHECK
 1022|  1.07M|        return true;
 1023|  1.07M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9copy_leafEPSB_jj:
  778|   934k|    {
  779|   934k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   934k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (779:9): [True: 934k, False: 0]
  ------------------
  780|   934k|        auto dst = make_leaf_n(last - idx);
  781|   934k|        IMMER_TRY {
  ------------------
  |  |   49|   934k|#define IMMER_TRY try
  ------------------
  782|   934k|            detail::uninitialized_copy(
  783|   934k|                src->leaf() + idx, src->leaf() + last, dst->leaf());
  784|   934k|        }
  785|   934k|        IMMER_CATCH (...) {
  786|      0|            heap::deallocate(node_t::sizeof_leaf_n(last - idx), dst);
  787|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  788|      0|        }
  789|   934k|        return dst;
  790|   934k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9copy_leafEPSB_jSC_j:
  712|   955k|    {
  713|   955k|        IMMER_ASSERT_TAGGED(src1->kind() == kind_t::leaf);
  ------------------
  |  |   68|   955k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (713:9): [True: 955k, False: 0]
  ------------------
  714|   955k|        IMMER_ASSERT_TAGGED(src2->kind() == kind_t::leaf);
  ------------------
  |  |   68|   955k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (714:9): [True: 955k, False: 0]
  ------------------
  715|   955k|        auto dst = make_leaf_n(n1 + n2);
  716|   955k|        IMMER_TRY {
  ------------------
  |  |   49|   955k|#define IMMER_TRY try
  ------------------
  717|   955k|            detail::uninitialized_copy(
  718|   955k|                src1->leaf(), src1->leaf() + n1, dst->leaf());
  719|   955k|        }
  720|   955k|        IMMER_CATCH (...) {
  721|      0|            heap::deallocate(node_t::sizeof_leaf_n(n1 + n2), dst);
  722|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  723|      0|        }
  724|   955k|        IMMER_TRY {
  ------------------
  |  |   49|   955k|#define IMMER_TRY try
  ------------------
  725|   955k|            detail::uninitialized_copy(
  726|   955k|                src2->leaf(), src2->leaf() + n2, dst->leaf() + n1);
  727|   955k|        }
  728|   955k|        IMMER_CATCH (...) {
  729|      0|            detail::destroy_n(dst->leaf(), n1);
  730|      0|            heap::deallocate(node_t::sizeof_leaf_n(n1 + n2), dst);
  731|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  732|      0|        }
  733|   955k|        return dst;
  734|   955k|    }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10can_mutateENS9_5applyIS6_E4type4editE:
  870|  2.80M|    {
  871|  2.80M|        return refs(this).unique() || ownee(this).can_mutate(e);
  ------------------
  |  Branch (871:16): [True: 2.64M, False: 162k]
  |  Branch (871:39): [True: 0, False: 162k]
  ------------------
  872|  2.80M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE5owneeEPKSB_:
  207|   162k|    {
  208|   162k|        return get<ownee_t>(x->impl);
  209|   162k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_j:
  681|  40.9k|    {
  682|  40.9k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|  40.9k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (682:9): [True: 40.9k, False: 0]
  ------------------
  683|  40.9k|        auto dst = make_leaf_e(e);
  684|  40.9k|        IMMER_TRY {
  ------------------
  |  |   49|  40.9k|#define IMMER_TRY try
  ------------------
  685|  40.9k|            detail::uninitialized_copy(
  686|  40.9k|                src->leaf(), src->leaf() + n, dst->leaf());
  687|  40.9k|        }
  688|  40.9k|        IMMER_CATCH (...) {
  689|      0|            heap::deallocate(node_t::max_sizeof_leaf, dst);
  690|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  691|      0|        }
  692|  40.9k|        return dst;
  693|  40.9k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11make_leaf_eENS9_5applyIS6_E4type4editE:
  348|   395k|    {
  349|   395k|        auto p   = new (heap::allocate(max_sizeof_leaf)) node_t;
  350|   395k|        ownee(p) = e;
  351|   395k|#if IMMER_TAGGED_NODE
  352|   395k|        p->impl.d.kind = node_t::kind_t::leaf;
  353|   395k|#endif
  354|   395k|        return p;
  355|   395k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11make_leaf_eIiEEPSB_NS9_5applyIS6_E4type4editEOT_:
  485|  6.90k|    {
  486|  6.90k|        auto p = make_leaf_e(e);
  487|  6.90k|        IMMER_TRY {
  ------------------
  |  |   49|  6.90k|#define IMMER_TRY try
  ------------------
  488|  6.90k|            new (p->leaf()) T(std::forward<U>(x));
  489|  6.90k|        }
  490|  6.90k|        IMMER_CATCH (...) {
  491|      0|            heap::deallocate(node_t::max_sizeof_leaf, p);
  492|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  493|      0|        }
  494|  6.90k|        return p;
  495|  6.90k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE24ensure_mutable_relaxed_nENS9_5applyIS6_E4type4editEj:
  930|   212k|    {
  931|   212k|        auto src_r = relaxed();
  932|   212k|        return static_if<embed_relaxed, relaxed_t*>(
  933|   212k|            [&](auto) { return src_r; },
  934|   212k|            [&](auto) {
  935|   212k|                if (node_t::refs(src_r).unique() ||
  936|   212k|                    node_t::ownee(src_r).can_mutate(e))
  937|   212k|                    return src_r;
  938|   212k|                else {
  939|   212k|                    auto dst_r =
  940|   212k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  941|   212k|                    if (src_r) {
  942|   212k|                        std::copy(
  943|   212k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  944|   212k|                        if (node_t::refs(src_r).dec())
  945|   212k|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  946|   212k|                                             src_r);
  947|   212k|                    }
  948|   212k|                    dst_r->d.count                   = n;
  949|   212k|                    node_t::ownee(dst_r)             = e;
  950|   212k|                    return impl.d.data.inner.relaxed = dst_r;
  951|   212k|                }
  952|   212k|            });
  953|   212k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE24ensure_mutable_relaxed_nENS9_5applyIS6_E4type4editEjENKUlT_E0_clINS0_7empty_tEEEDaSG_:
  934|   212k|            [&](auto) {
  935|   212k|                if (node_t::refs(src_r).unique() ||
  ------------------
  |  Branch (935:21): [True: 207k, False: 5.10k]
  ------------------
  936|  5.10k|                    node_t::ownee(src_r).can_mutate(e))
  ------------------
  |  Branch (936:21): [True: 0, False: 5.10k]
  ------------------
  937|   207k|                    return src_r;
  938|  5.10k|                else {
  939|  5.10k|                    auto dst_r =
  940|  5.10k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  941|  5.10k|                    if (src_r) {
  ------------------
  |  Branch (941:25): [True: 5.10k, False: 0]
  ------------------
  942|  5.10k|                        std::copy(
  943|  5.10k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  944|  5.10k|                        if (node_t::refs(src_r).dec())
  ------------------
  |  Branch (944:29): [True: 0, False: 5.10k]
  ------------------
  945|      0|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  946|      0|                                             src_r);
  947|  5.10k|                    }
  948|  5.10k|                    dst_r->d.count                   = n;
  949|  5.10k|                    node_t::ownee(dst_r)             = e;
  950|  5.10k|                    return impl.d.data.inner.relaxed = dst_r;
  951|  5.10k|                }
  952|   212k|            });
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14copy_inner_r_eENS9_5applyIS6_E4type4editEPSB_j:
  596|  15.7k|    {
  597|  15.7k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  15.7k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (597:9): [True: 15.7k, False: 0]
  ------------------
  598|  15.7k|        auto dst = make_inner_r_e(e);
  599|  15.7k|        return do_copy_inner_r(dst, src, n);
  600|  15.7k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14make_inner_r_eENS9_5applyIS6_E4type4editE:
  286|   160k|    {
  287|   160k|        auto mp = heap::allocate(max_sizeof_inner_r);
  288|   160k|        auto mr = static_cast<void*>(nullptr);
  289|   160k|        if (embed_relaxed) {
  ------------------
  |  Branch (289:13): [Folded, False: 160k]
  ------------------
  290|      0|            mr = reinterpret_cast<unsigned char*>(mp) + max_sizeof_inner;
  291|   160k|        } else {
  292|   160k|            IMMER_TRY {
  ------------------
  |  |   49|   160k|#define IMMER_TRY try
  ------------------
  293|   160k|                mr = heap::allocate(max_sizeof_relaxed, norefs_tag{});
  294|   160k|            }
  295|   160k|            IMMER_CATCH (...) {
  296|      0|                heap::deallocate(max_sizeof_inner_r, mp);
  297|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  298|      0|            }
  299|   160k|        }
  300|   160k|        auto p   = new (mp) node_t;
  301|   160k|        auto r   = new (mr) relaxed_t;
  302|   160k|        ownee(p) = e;
  303|   160k|        static_if<!embed_relaxed>([&](auto) { node_t::ownee(r) = e; });
  304|   160k|        r->d.count                   = 0;
  305|   160k|        p->impl.d.data.inner.relaxed = r;
  306|   160k|#if IMMER_TAGGED_NODE
  307|   160k|        p->impl.d.kind = node_t::kind_t::inner;
  308|   160k|#endif
  309|   160k|        return p;
  310|   160k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14make_inner_r_eENS9_5applyIS6_E4type4editEENKUlT_E_clINS0_7empty_tEEEDaSG_:
  303|   160k|        static_if<!embed_relaxed>([&](auto) { node_t::ownee(r) = e; });
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11make_path_eENS9_5applyIS6_E4type4editEjPSB_:
  516|   378k|    {
  517|   378k|        IMMER_ASSERT_TAGGED(node->kind() == kind_t::leaf);
  ------------------
  |  |   68|   378k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (517:9): [True: 378k, False: 0]
  ------------------
  518|   378k|        if (shift == endshift<B, BL>)
  ------------------
  |  Branch (518:13): [True: 327k, False: 51.4k]
  ------------------
  519|   327k|            return node;
  520|  51.4k|        else {
  521|  51.4k|            auto n = node_t::make_inner_e(e);
  522|  51.4k|            IMMER_TRY {
  ------------------
  |  |   49|  51.4k|#define IMMER_TRY try
  ------------------
  523|  51.4k|                n->inner()[0] = make_path_e(e, shift - B, node);
  524|  51.4k|            }
  525|  51.4k|            IMMER_CATCH (...) {
  526|      0|                heap::deallocate(node_t::max_sizeof_inner, n);
  527|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  528|      0|            }
  529|  51.4k|            return n;
  530|  51.4k|        }
  531|   378k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE12make_inner_eENS9_5applyIS6_E4type4editE:
  231|  81.9k|    {
  232|  81.9k|        auto m                       = heap::allocate(max_sizeof_inner);
  233|  81.9k|        auto p                       = new (m) node_t;
  234|  81.9k|        ownee(p)                     = e;
  235|  81.9k|        p->impl.d.data.inner.relaxed = nullptr;
  236|  81.9k|#if IMMER_TAGGED_NODE
  237|  81.9k|        p->impl.d.kind = node_t::kind_t::inner;
  238|  81.9k|#endif
  239|  81.9k|        return p;
  240|  81.9k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE12copy_inner_eENS9_5applyIS6_E4type4editEPSB_j:
  551|  21.2k|    {
  552|  21.2k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  21.2k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (552:9): [True: 21.2k, False: 0]
  ------------------
  553|  21.2k|        auto dst = make_inner_e(e);
  554|  21.2k|        return do_copy_inner(dst, src, n);
  555|  21.2k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE15copy_inner_sr_eENS9_5applyIS6_E4type4editEPSB_j:
  603|  19.8k|    {
  604|  19.8k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  19.8k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (604:9): [True: 19.8k, False: 0]
  ------------------
  605|  19.8k|        auto dst = make_inner_sr_e(e, src->relaxed());
  606|  19.8k|        return do_copy_inner_sr(dst, src, n);
  607|  19.8k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE15make_inner_sr_eENS9_5applyIS6_E4type4editEPNS0_3csl10member_twoINSB_14relaxed_data_tENSG_6memberIS7_NSG_7inheritINSE_5owneeEvE4typeEE4typeEE4typeE:
  313|  19.8k|    {
  314|  19.8k|        return static_if<embed_relaxed, node_t*>(
  315|  19.8k|            [&](auto) { return node_t::make_inner_r_e(e); },
  316|  19.8k|            [&](auto) {
  317|  19.8k|                auto p =
  318|  19.8k|                    new (heap::allocate(node_t::max_sizeof_inner_r)) node_t;
  319|  19.8k|                node_t::refs(r).inc();
  320|  19.8k|                p->impl.d.data.inner.relaxed = r;
  321|  19.8k|                node_t::ownee(p)             = e;
  322|  19.8k|#if IMMER_TAGGED_NODE
  323|  19.8k|                p->impl.d.kind = node_t::kind_t::inner;
  324|  19.8k|#endif
  325|  19.8k|                return p;
  326|  19.8k|            });
  327|  19.8k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE15make_inner_sr_eENS9_5applyIS6_E4type4editEPNS0_3csl10member_twoINSB_14relaxed_data_tENSG_6memberIS7_NSG_7inheritINSE_5owneeEvE4typeEE4typeEE4typeEENKUlT_E0_clINS0_7empty_tEEEDaST_:
  316|  19.8k|            [&](auto) {
  317|  19.8k|                auto p =
  318|  19.8k|                    new (heap::allocate(node_t::max_sizeof_inner_r)) node_t;
  319|  19.8k|                node_t::refs(r).inc();
  320|  19.8k|                p->impl.d.data.inner.relaxed = r;
  321|  19.8k|                node_t::ownee(p)             = e;
  322|  19.8k|#if IMMER_TAGGED_NODE
  323|  19.8k|                p->impl.d.kind = node_t::kind_t::inner;
  324|  19.8k|#endif
  325|  19.8k|                return p;
  326|  19.8k|            });
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE16do_copy_inner_srEPSB_SC_j:
  640|  19.8k|    {
  641|  19.8k|        if (embed_relaxed)
  ------------------
  |  Branch (641:13): [Folded, False: 19.8k]
  ------------------
  642|      0|            return do_copy_inner_r(dst, src, n);
  643|  19.8k|        else {
  644|  19.8k|            inc_nodes(src->inner(), n);
  645|  19.8k|            std::copy(src->inner(), src->inner() + n, dst->inner());
  646|  19.8k|            return dst;
  647|  19.8k|        }
  648|  19.8k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_jj:
  763|   347k|    {
  764|   347k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   347k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (764:9): [True: 347k, False: 0]
  ------------------
  765|   347k|        auto dst = make_leaf_e(e);
  766|   347k|        IMMER_TRY {
  ------------------
  |  |   49|   347k|#define IMMER_TRY try
  ------------------
  767|   347k|            detail::uninitialized_copy(
  768|   347k|                src->leaf() + idx, src->leaf() + last, dst->leaf());
  769|   347k|        }
  770|   347k|        IMMER_CATCH (...) {
  771|      0|            heap::deallocate(max_sizeof_leaf, dst);
  772|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  773|      0|        }
  774|   347k|        return dst;
  775|   347k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE22ensure_mutable_relaxedENS9_5applyIS6_E4type4editE:
  877|   171k|    {
  878|   171k|        auto src_r = relaxed();
  879|   171k|        return static_if<embed_relaxed, relaxed_t*>(
  880|   171k|            [&](auto) { return src_r; },
  881|   171k|            [&](auto) {
  882|   171k|                if (node_t::refs(src_r).unique() ||
  883|   171k|                    node_t::ownee(src_r).can_mutate(e))
  884|   171k|                    return src_r;
  885|   171k|                else {
  886|   171k|                    auto dst_r = impl.d.data.inner.relaxed =
  887|   171k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  888|   171k|                    if (src_r) {
  889|   171k|                        auto n = dst_r->d.count = src_r->d.count;
  890|   171k|                        std::copy(
  891|   171k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  892|   171k|                        if (node_t::refs(src_r).dec())
  893|   171k|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  894|   171k|                                             src_r);
  895|   171k|                    }
  896|   171k|                    node_t::ownee(dst_r) = e;
  897|   171k|                    return dst_r;
  898|   171k|                }
  899|   171k|            });
  900|   171k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE22ensure_mutable_relaxedENS9_5applyIS6_E4type4editEENKUlT_E0_clINS0_7empty_tEEEDaSG_:
  881|   171k|            [&](auto) {
  882|   171k|                if (node_t::refs(src_r).unique() ||
  ------------------
  |  Branch (882:21): [True: 152k, False: 19.2k]
  ------------------
  883|  19.2k|                    node_t::ownee(src_r).can_mutate(e))
  ------------------
  |  Branch (883:21): [True: 0, False: 19.2k]
  ------------------
  884|   152k|                    return src_r;
  885|  19.2k|                else {
  886|  19.2k|                    auto dst_r = impl.d.data.inner.relaxed =
  887|  19.2k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  888|  19.2k|                    if (src_r) {
  ------------------
  |  Branch (888:25): [True: 19.2k, False: 0]
  ------------------
  889|  19.2k|                        auto n = dst_r->d.count = src_r->d.count;
  890|  19.2k|                        std::copy(
  891|  19.2k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  892|  19.2k|                        if (node_t::refs(src_r).dec())
  ------------------
  |  Branch (892:29): [True: 0, False: 19.2k]
  ------------------
  893|      0|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  894|      0|                                             src_r);
  895|  19.2k|                    }
  896|  19.2k|                    node_t::ownee(dst_r) = e;
  897|  19.2k|                    return dst_r;
  898|  19.2k|                }
  899|   171k|            });
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_jSG_j:
  738|    258|    {
  739|    258|        IMMER_ASSERT_TAGGED(src1->kind() == kind_t::leaf);
  ------------------
  |  |   68|    258|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (739:9): [True: 258, False: 0]
  ------------------
  740|    258|        IMMER_ASSERT_TAGGED(src2->kind() == kind_t::leaf);
  ------------------
  |  |   68|    258|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (740:9): [True: 258, False: 0]
  ------------------
  741|    258|        auto dst = make_leaf_e(e);
  742|    258|        IMMER_TRY {
  ------------------
  |  |   49|    258|#define IMMER_TRY try
  ------------------
  743|    258|            detail::uninitialized_copy(
  744|    258|                src1->leaf(), src1->leaf() + n1, dst->leaf());
  745|    258|        }
  746|    258|        IMMER_CATCH (...) {
  747|      0|            heap::deallocate(max_sizeof_leaf, dst);
  748|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  749|      0|        }
  750|    258|        IMMER_TRY {
  ------------------
  |  |   49|    258|#define IMMER_TRY try
  ------------------
  751|    258|            detail::uninitialized_copy(
  752|    258|                src2->leaf(), src2->leaf() + n2, dst->leaf() + n1);
  753|    258|        }
  754|    258|        IMMER_CATCH (...) {
  755|      0|            detail::destroy_n(dst->leaf(), n1);
  756|      0|            heap::deallocate(max_sizeof_leaf, dst);
  757|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  758|      0|        }
  759|    258|        return dst;
  760|    258|    }

_ZN5immer6detail4rbts11dec_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  523|   246M|    {
  524|   246M|        using node_t = node_type<Pos>;
  525|   246M|        auto node    = p.node();
  526|   246M|        if (node->dec()) {
  ------------------
  |  Branch (526:13): [True: 48.3M, False: 197M]
  ------------------
  527|  48.3M|            p.each(this_t{});
  528|  48.3M|            node_t::delete_inner_r(node, p.count());
  529|  48.3M|        }
  530|   246M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  16.3M|    {
  535|  16.3M|        using node_t = node_type<Pos>;
  536|  16.3M|        auto node    = p.node();
  537|  16.3M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 1.13M, False: 15.2M]
  ------------------
  538|  1.13M|            p.each(this_t{});
  539|  1.13M|            node_t::delete_inner(node, p.count());
  540|  1.13M|        }
  541|  16.3M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  4.24M|    {
  546|  4.24M|        using node_t = node_type<Pos>;
  547|  4.24M|        auto node    = p.node();
  548|  4.24M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 612k, False: 3.62M]
  ------------------
  549|   612k|            node_t::delete_leaf(node, p.count());
  550|   612k|        }
  551|  4.24M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  1.09M|    {
  546|  1.09M|        using node_t = node_type<Pos>;
  547|  1.09M|        auto node    = p.node();
  548|  1.09M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 618k, False: 476k]
  ------------------
  549|   618k|            node_t::delete_leaf(node, p.count());
  550|   618k|        }
  551|  1.09M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  9.41M|    {
  535|  9.41M|        using node_t = node_type<Pos>;
  536|  9.41M|        auto node    = p.node();
  537|  9.41M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 103k, False: 9.31M]
  ------------------
  538|   103k|            p.each(this_t{});
  539|   103k|            node_t::delete_inner(node, p.count());
  540|   103k|        }
  541|  9.41M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  4.10M|    {
  535|  4.10M|        using node_t = node_type<Pos>;
  536|  4.10M|        auto node    = p.node();
  537|  4.10M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 4.04M, False: 56.7k]
  ------------------
  538|  4.04M|            p.each(this_t{});
  539|  4.04M|            node_t::delete_inner(node, p.count());
  540|  4.04M|        }
  541|  4.10M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  2.92M|    {
  535|  2.92M|        using node_t = node_type<Pos>;
  536|  2.92M|        auto node    = p.node();
  537|  2.92M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 0, False: 2.92M]
  ------------------
  538|      0|            p.each(this_t{});
  539|      0|            node_t::delete_inner(node, p.count());
  540|      0|        }
  541|  2.92M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  88.0M|    {
  546|  88.0M|        using node_t = node_type<Pos>;
  547|  88.0M|        auto node    = p.node();
  548|  88.0M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 1.68M, False: 86.4M]
  ------------------
  549|  1.68M|            node_t::delete_leaf(node, p.count());
  550|  1.68M|        }
  551|  88.0M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  2.76M|    {
  546|  2.76M|        using node_t = node_type<Pos>;
  547|  2.76M|        auto node    = p.node();
  548|  2.76M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 0, False: 2.76M]
  ------------------
  549|      0|            node_t::delete_leaf(node, p.count());
  550|      0|        }
  551|  2.76M|    }
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EEEEPSC_OT_SI_j:
  791|   505k|    {
  792|   505k|        auto level    = pos.shift();
  793|   505k|        auto idx      = pos.count() - 1;
  794|   505k|        auto children = pos.size(idx);
  795|   505k|        auto new_idx =
  796|   505k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (796:13): [True: 15.5k, False: 490k]
  |  Branch (796:47): [True: 748, False: 489k]
  ------------------
  797|   505k|        auto new_child = static_cast<node_t*>(nullptr);
  798|   505k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (798:13): [True: 4.55k, False: 501k]
  ------------------
  799|  4.55k|            return nullptr;
  800|   501k|        else if (idx == new_idx) {
  ------------------
  |  Branch (800:18): [True: 489k, False: 11.7k]
  ------------------
  801|   489k|            new_child = pos.last_oh_csh(this_t{}, idx, children, tail, ts);
  802|   489k|            if (!new_child) {
  ------------------
  |  Branch (802:17): [True: 5.18k, False: 484k]
  ------------------
  803|  5.18k|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (803:21): [True: 1.90k, False: 3.27k]
  ------------------
  804|  1.90k|                    new_child = node_t::make_path(level - B, tail);
  805|  3.27k|                else
  806|  3.27k|                    return nullptr;
  807|  5.18k|            }
  808|   489k|        } else
  809|  11.7k|            new_child = node_t::make_path(level - B, tail);
  810|   497k|        IMMER_TRY {
  ------------------
  |  |   49|   497k|#define IMMER_TRY try
  ------------------
  811|   497k|            auto count = new_idx + 1;
  812|   497k|            auto new_parent =
  813|   497k|                node_t::copy_inner_r_n(count, pos.node(), new_idx);
  814|   497k|            auto new_relaxed              = new_parent->relaxed();
  815|   497k|            new_parent->inner()[new_idx]  = new_child;
  816|   497k|            new_relaxed->d.sizes[new_idx] = pos.size() + ts;
  817|   497k|            new_relaxed->d.count          = count;
  818|   497k|            assert(new_relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (818:13): [True: 497k, False: 0]
  ------------------
  819|   497k|            return new_parent;
  820|   497k|        }
  821|   497k|        IMMER_CATCH (...) {
  822|      0|            auto shift = pos.shift();
  823|      0|            auto size  = new_idx == idx ? children + ts : ts;
  ------------------
  |  Branch (823:26): [True: 0, False: 0]
  ------------------
  824|      0|            if (shift > BL) {
  ------------------
  |  Branch (824:17): [True: 0, False: 0]
  ------------------
  825|      0|                tail->inc();
  826|      0|                dec_inner(new_child, shift - B, size);
  827|      0|            }
  828|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  829|      0|        }
  830|   497k|    }
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EEJRjEEEPSC_OT_SJ_DpOT0_:
  834|   305k|    {
  835|   305k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 305k, False: 0]
  ------------------
  836|   305k|        auto idx        = pos.index(pos.size() - 1);
  837|   305k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|   305k|        auto count      = new_idx + 1;
  839|   305k|        auto new_parent = node_t::make_inner_n(count);
  840|   305k|        IMMER_TRY {
  ------------------
  |  |   49|   305k|#define IMMER_TRY try
  ------------------
  841|   305k|            new_parent->inner()[new_idx] =
  842|   305k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 294k, False: 10.4k]
  ------------------
  843|       |                               /* otherwise */
  844|   305k|                               : node_t::make_path(pos.shift() - B, tail);
  845|   305k|        }
  846|   305k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|   305k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|   305k|    }
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_11regular_posISC_EEJEEEPSC_OT_SI_DpOT0_:
  834|  3.91M|    {
  835|  3.91M|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 3.91M, False: 0]
  ------------------
  836|  3.91M|        auto idx        = pos.index(pos.size() - 1);
  837|  3.91M|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|  3.91M|        auto count      = new_idx + 1;
  839|  3.91M|        auto new_parent = node_t::make_inner_n(count);
  840|  3.91M|        IMMER_TRY {
  ------------------
  |  |   49|  3.91M|#define IMMER_TRY try
  ------------------
  841|  3.91M|            new_parent->inner()[new_idx] =
  842|  3.91M|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 2.90M, False: 1.00M]
  ------------------
  843|       |                               /* otherwise */
  844|  3.91M|                               : node_t::make_path(pos.shift() - B, tail);
  845|  3.91M|        }
  846|  3.91M|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|  3.91M|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|  3.91M|    }
_ZN5immer6detail4rbts9dec_innerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEvPT_jm:
  562|    584|{
  563|    584|    visit_maybe_relaxed_sub(node, shift, size, dec_visitor());
  564|    584|}
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EEJEEEPSC_OT_SI_DpOT0_:
  834|   758k|    {
  835|   758k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 758k, False: 0]
  ------------------
  836|   758k|        auto idx        = pos.index(pos.size() - 1);
  837|   758k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|   758k|        auto count      = new_idx + 1;
  839|   758k|        auto new_parent = node_t::make_inner_n(count);
  840|   758k|        IMMER_TRY {
  ------------------
  |  |   49|   758k|#define IMMER_TRY try
  ------------------
  841|   758k|            new_parent->inner()[new_idx] =
  842|   758k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 714k, False: 43.7k]
  ------------------
  843|       |                               /* otherwise */
  844|   758k|                               : node_t::make_path(pos.shift() - B, tail);
  845|   758k|        }
  846|   758k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|   758k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|   758k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|   120k|    {
  503|   120k|        auto offset = pos.index(idx);
  504|   120k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|   120k|        IMMER_TRY {
  ------------------
  |  |   49|   120k|#define IMMER_TRY try
  ------------------
  506|   120k|            node->leaf()[offset] =
  507|   120k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|   120k|            return node;
  509|   120k|        }
  510|   120k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|   120k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  466|   157k|    {
  467|   157k|        auto offset = pos.index(idx);
  468|   157k|        auto count  = pos.count();
  469|   157k|        auto node   = node_t::make_inner_sr_n(count, pos.relaxed());
  470|   157k|        IMMER_TRY {
  ------------------
  |  |   49|   157k|#define IMMER_TRY try
  ------------------
  471|   157k|            auto child = pos.towards_oh(this_t{}, idx, offset, fn);
  472|   157k|            node_t::do_copy_inner_replace_sr(
  473|   157k|                node, pos.node(), count, offset, child);
  474|   157k|            return node;
  475|   157k|        }
  476|   157k|        IMMER_CATCH (...) {
  477|      0|            node_t::delete_inner_r(node, count);
  478|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  479|      0|        }
  480|   157k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  23.2k|    {
  485|  23.2k|        auto offset = pos.index(idx);
  486|  23.2k|        auto count  = pos.count();
  487|  23.2k|        auto node   = node_t::make_inner_n(count);
  488|  23.2k|        IMMER_TRY {
  ------------------
  |  |   49|  23.2k|#define IMMER_TRY try
  ------------------
  489|  23.2k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  23.2k|            node_t::do_copy_inner_replace(
  491|  23.2k|                node, pos.node(), count, offset, child);
  492|  23.2k|            return node;
  493|  23.2k|        }
  494|  23.2k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  23.2k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|  15.3k|    {
  503|  15.3k|        auto offset = pos.index(idx);
  504|  15.3k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|  15.3k|        IMMER_TRY {
  ------------------
  |  |   49|  15.3k|#define IMMER_TRY try
  ------------------
  506|  15.3k|            node->leaf()[offset] =
  507|  15.3k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|  15.3k|            return node;
  509|  15.3k|        }
  510|  15.3k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|  15.3k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_8full_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  14.5k|    {
  485|  14.5k|        auto offset = pos.index(idx);
  486|  14.5k|        auto count  = pos.count();
  487|  14.5k|        auto node   = node_t::make_inner_n(count);
  488|  14.5k|        IMMER_TRY {
  ------------------
  |  |   49|  14.5k|#define IMMER_TRY try
  ------------------
  489|  14.5k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  14.5k|            node_t::do_copy_inner_replace(
  491|  14.5k|                node, pos.node(), count, offset, child);
  492|  14.5k|            return node;
  493|  14.5k|        }
  494|  14.5k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  14.5k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_8leaf_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|  7.81k|    {
  503|  7.81k|        auto offset = pos.index(idx);
  504|  7.81k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|  7.81k|        IMMER_TRY {
  ------------------
  |  |   49|  7.81k|#define IMMER_TRY try
  ------------------
  506|  7.81k|            node->leaf()[offset] =
  507|  7.81k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|  7.81k|            return node;
  509|  7.81k|        }
  510|  7.81k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|  7.81k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_11regular_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  2.35k|    {
  485|  2.35k|        auto offset = pos.index(idx);
  486|  2.35k|        auto count  = pos.count();
  487|  2.35k|        auto node   = node_t::make_inner_n(count);
  488|  2.35k|        IMMER_TRY {
  ------------------
  |  |   49|  2.35k|#define IMMER_TRY try
  ------------------
  489|  2.35k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  2.35k|            node_t::do_copy_inner_replace(
  491|  2.35k|                node, pos.node(), count, offset, child);
  492|  2.35k|            return node;
  493|  2.35k|        }
  494|  2.35k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  2.35k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1096|  30.3k|    {
 1097|  30.3k|        auto idx = pos.index(last);
 1098|  30.3k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1098:13): [True: 30.3k, Folded]
  |  Branch (1098:25): [True: 24.2k, False: 6.09k]
  ------------------
 1099|  24.2k|            return pos.towards_oh(this_t{}, last, idx);
 1100|  24.2k|        } else {
 1101|  6.09k|            using std::get;
 1102|  6.09k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1103|  6.09k|            auto next = get<1>(subs);
 1104|  6.09k|            auto ts   = get<2>(subs);
 1105|  6.09k|            auto tail = get<3>(subs);
 1106|  6.09k|            IMMER_TRY {
  ------------------
  |  |   49|  6.09k|#define IMMER_TRY try
  ------------------
 1107|  6.09k|                if (next) {
  ------------------
  |  Branch (1107:21): [True: 3.99k, False: 2.09k]
  ------------------
 1108|  3.99k|                    auto count = idx + 1;
 1109|  3.99k|                    auto newn  = node_t::copy_inner_r_n(count, pos.node(), idx);
 1110|  3.99k|                    auto newr  = newn->relaxed();
 1111|  3.99k|                    newn->inner()[idx] = next;
 1112|  3.99k|                    newr->d.sizes[idx] = last + 1 - ts;
 1113|  3.99k|                    newr->d.count      = count;
 1114|  3.99k|                    assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (1114:21): [True: 3.99k, False: 0]
  ------------------
 1115|  3.99k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1116|  3.99k|                } else if (idx == 0) {
  ------------------
  |  Branch (1116:28): [True: 0, False: 2.09k]
  ------------------
 1117|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1118|  2.09k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1118:28): [True: 2.09k, Folded]
  |  Branch (1118:40): [True: 1.31k, False: 784]
  |  Branch (1118:52): [True: 907, False: 406]
  ------------------
 1119|    907|                    auto newn = pos.node()->inner()[0];
 1120|    907|                    return std::make_tuple(
 1121|    907|                        pos.shift() - B, newn->inc(), ts, tail);
 1122|  1.19k|                } else {
 1123|  1.19k|                    auto newn = node_t::copy_inner_r(pos.node(), idx);
 1124|  1.19k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1125|  1.19k|                }
 1126|  6.09k|            }
 1127|  6.09k|            IMMER_CATCH (...) {
 1128|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  ------------------
 1129|      0|                if (next)
  ------------------
  |  Branch (1129:21): [True: 0, False: 0]
  ------------------
 1130|      0|                    dec_inner(next,
 1131|      0|                              pos.shift() - B,
 1132|      0|                              last + 1 - ts - pos.size_before(idx));
 1133|      0|                if (tail)
  ------------------
  |  Branch (1133:21): [True: 0, False: 0]
  ------------------
 1134|      0|                    dec_leaf(tail, ts);
 1135|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1136|      0|            }
 1137|  6.09k|        }
 1138|  30.3k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  2.09k|    {
 1182|  2.09k|        auto old_tail_size = pos.count();
 1183|  2.09k|        auto new_tail_size = pos.index(last) + 1;
 1184|  2.09k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 490, False: 1.60k]
  ------------------
 1185|  2.09k|                                 ? pos.node()->inc()
 1186|  2.09k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  2.09k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  2.09k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  3.46k|    {
 1182|  3.46k|        auto old_tail_size = pos.count();
 1183|  3.46k|        auto new_tail_size = pos.index(last) + 1;
 1184|  3.46k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.03k, False: 2.43k]
  ------------------
 1185|  3.46k|                                 ? pos.node()->inc()
 1186|  3.46k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  3.46k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  3.46k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1096|  3.86k|    {
 1097|  3.86k|        auto idx = pos.index(last);
 1098|  3.86k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1098:13): [Folded, False: 3.86k]
  |  Branch (1098:25): [True: 0, False: 0]
  ------------------
 1099|      0|            return pos.towards_oh(this_t{}, last, idx);
 1100|  3.86k|        } else {
 1101|  3.86k|            using std::get;
 1102|  3.86k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1103|  3.86k|            auto next = get<1>(subs);
 1104|  3.86k|            auto ts   = get<2>(subs);
 1105|  3.86k|            auto tail = get<3>(subs);
 1106|  3.86k|            IMMER_TRY {
  ------------------
  |  |   49|  3.86k|#define IMMER_TRY try
  ------------------
 1107|  3.86k|                if (next) {
  ------------------
  |  Branch (1107:21): [True: 1.08k, False: 2.78k]
  ------------------
 1108|  1.08k|                    auto count = idx + 1;
 1109|  1.08k|                    auto newn  = node_t::copy_inner_r_n(count, pos.node(), idx);
 1110|  1.08k|                    auto newr  = newn->relaxed();
 1111|  1.08k|                    newn->inner()[idx] = next;
 1112|  1.08k|                    newr->d.sizes[idx] = last + 1 - ts;
 1113|  1.08k|                    newr->d.count      = count;
 1114|  1.08k|                    assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (1114:21): [True: 1.08k, False: 0]
  ------------------
 1115|  1.08k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1116|  2.78k|                } else if (idx == 0) {
  ------------------
  |  Branch (1116:28): [True: 908, False: 1.87k]
  ------------------
 1117|    908|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1118|  1.87k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1118:28): [Folded, False: 1.87k]
  |  Branch (1118:40): [True: 0, False: 0]
  |  Branch (1118:52): [True: 0, False: 0]
  ------------------
 1119|      0|                    auto newn = pos.node()->inner()[0];
 1120|      0|                    return std::make_tuple(
 1121|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1122|  1.87k|                } else {
 1123|  1.87k|                    auto newn = node_t::copy_inner_r(pos.node(), idx);
 1124|  1.87k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1125|  1.87k|                }
 1126|  3.86k|            }
 1127|  3.86k|            IMMER_CATCH (...) {
 1128|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  ------------------
 1129|      0|                if (next)
  ------------------
  |  Branch (1129:21): [True: 0, False: 0]
  ------------------
 1130|      0|                    dec_inner(next,
 1131|      0|                              pos.shift() - B,
 1132|      0|                              last + 1 - ts - pos.size_before(idx));
 1133|      0|                if (tail)
  ------------------
  |  Branch (1133:21): [True: 0, False: 0]
  ------------------
 1134|      0|                    dec_leaf(tail, ts);
 1135|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1136|      0|            }
 1137|  3.86k|        }
 1138|  3.86k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  2.63k|    {
 1143|  2.63k|        auto idx = pos.index(last);
 1144|  2.63k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 2.63k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  2.63k|        } else {
 1147|  2.63k|            using std::get;
 1148|  2.63k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.63k|            auto next = get<1>(subs);
 1150|  2.63k|            auto ts   = get<2>(subs);
 1151|  2.63k|            auto tail = get<3>(subs);
 1152|  2.63k|            IMMER_TRY {
  ------------------
  |  |   49|  2.63k|#define IMMER_TRY try
  ------------------
 1153|  2.63k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 1.47k, False: 1.15k]
  ------------------
 1154|  1.47k|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|  1.47k|                    newn->inner()[idx] = next;
 1156|  1.47k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  1.47k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 510, False: 644]
  ------------------
 1158|    510|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|    644|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 644]
  |  Branch (1159:40): [True: 0, False: 0]
  |  Branch (1159:52): [True: 0, False: 0]
  ------------------
 1160|      0|                    auto newn = pos.node()->inner()[0];
 1161|      0|                    return std::make_tuple(
 1162|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|    644|                } else {
 1164|    644|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|    644|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|    644|                }
 1167|  2.63k|            }
 1168|  2.63k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  2.63k|        }
 1177|  2.63k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  3.82k|    {
 1182|  3.82k|        auto old_tail_size = pos.count();
 1183|  3.82k|        auto new_tail_size = pos.index(last) + 1;
 1184|  3.82k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.59k, False: 2.23k]
  ------------------
 1185|  3.82k|                                 ? pos.node()->inc()
 1186|  3.82k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  3.82k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  3.82k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  2.05k|    {
 1143|  2.05k|        auto idx = pos.index(last);
 1144|  2.05k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 2.05k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  2.05k|        } else {
 1147|  2.05k|            using std::get;
 1148|  2.05k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.05k|            auto next = get<1>(subs);
 1150|  2.05k|            auto ts   = get<2>(subs);
 1151|  2.05k|            auto tail = get<3>(subs);
 1152|  2.05k|            IMMER_TRY {
  ------------------
  |  |   49|  2.05k|#define IMMER_TRY try
  ------------------
 1153|  2.05k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 210, False: 1.84k]
  ------------------
 1154|    210|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    210|                    newn->inner()[idx] = next;
 1156|    210|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  1.84k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 528, False: 1.31k]
  ------------------
 1158|    528|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.31k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 1.31k]
  |  Branch (1159:40): [True: 0, False: 0]
  |  Branch (1159:52): [True: 0, False: 0]
  ------------------
 1160|      0|                    auto newn = pos.node()->inner()[0];
 1161|      0|                    return std::make_tuple(
 1162|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.31k|                } else {
 1164|  1.31k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.31k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.31k|                }
 1167|  2.05k|            }
 1168|  2.05k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  2.05k|        }
 1177|  2.05k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  2.99k|    {
 1182|  2.99k|        auto old_tail_size = pos.count();
 1183|  2.99k|        auto new_tail_size = pos.index(last) + 1;
 1184|  2.99k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.16k, False: 1.83k]
  ------------------
 1185|  2.99k|                                 ? pos.node()->inc()
 1186|  2.99k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  2.99k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  2.99k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_11regular_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  3.18k|    {
 1143|  3.18k|        auto idx = pos.index(last);
 1144|  3.18k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 3.18k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  3.18k|        } else {
 1147|  3.18k|            using std::get;
 1148|  3.18k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  3.18k|            auto next = get<1>(subs);
 1150|  3.18k|            auto ts   = get<2>(subs);
 1151|  3.18k|            auto tail = get<3>(subs);
 1152|  3.18k|            IMMER_TRY {
  ------------------
  |  |   49|  3.18k|#define IMMER_TRY try
  ------------------
 1153|  3.18k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 875, False: 2.31k]
  ------------------
 1154|    875|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    875|                    newn->inner()[idx] = next;
 1156|    875|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.31k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 1.14k, False: 1.16k]
  ------------------
 1158|  1.14k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.16k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 1.16k]
  |  Branch (1159:40): [True: 0, False: 0]
  |  Branch (1159:52): [True: 0, False: 0]
  ------------------
 1160|      0|                    auto newn = pos.node()->inner()[0];
 1161|      0|                    return std::make_tuple(
 1162|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.16k|                } else {
 1164|  1.16k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.16k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.16k|                }
 1167|  3.18k|            }
 1168|  3.18k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  3.18k|        }
 1177|  3.18k|    }
_ZN5immer6detail4rbts8dec_leafINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEvPT_j:
  556|  38.3k|{
  557|  38.3k|    make_leaf_sub_pos(node, n).visit(dec_visitor{});
  558|  38.3k|}
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  6.53k|    {
 1143|  6.53k|        auto idx = pos.index(last);
 1144|  6.53k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [True: 6.53k, Folded]
  |  Branch (1144:25): [True: 3.49k, False: 3.04k]
  ------------------
 1145|  3.49k|            return pos.towards_oh(this_t{}, last, idx);
 1146|  3.49k|        } else {
 1147|  3.04k|            using std::get;
 1148|  3.04k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  3.04k|            auto next = get<1>(subs);
 1150|  3.04k|            auto ts   = get<2>(subs);
 1151|  3.04k|            auto tail = get<3>(subs);
 1152|  3.04k|            IMMER_TRY {
  ------------------
  |  |   49|  3.04k|#define IMMER_TRY try
  ------------------
 1153|  3.04k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 683, False: 2.35k]
  ------------------
 1154|    683|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    683|                    newn->inner()[idx] = next;
 1156|    683|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.35k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 0, False: 2.35k]
  ------------------
 1158|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  2.35k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [True: 2.35k, Folded]
  |  Branch (1159:40): [True: 2.00k, False: 357]
  |  Branch (1159:52): [True: 1.00k, False: 1.00k]
  ------------------
 1160|  1.00k|                    auto newn = pos.node()->inner()[0];
 1161|  1.00k|                    return std::make_tuple(
 1162|  1.00k|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.35k|                } else {
 1164|  1.35k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.35k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.35k|                }
 1167|  3.04k|            }
 1168|  3.04k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  3.04k|        }
 1177|  6.53k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  1.53k|    {
 1182|  1.53k|        auto old_tail_size = pos.count();
 1183|  1.53k|        auto new_tail_size = pos.index(last) + 1;
 1184|  1.53k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 643, False: 894]
  ------------------
 1185|  1.53k|                                 ? pos.node()->inc()
 1186|  1.53k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  1.53k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  1.53k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  2.08k|    {
 1143|  2.08k|        auto idx = pos.index(last);
 1144|  2.08k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [True: 2.08k, Folded]
  |  Branch (1144:25): [True: 937, False: 1.15k]
  ------------------
 1145|    937|            return pos.towards_oh(this_t{}, last, idx);
 1146|  1.15k|        } else {
 1147|  1.15k|            using std::get;
 1148|  1.15k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  1.15k|            auto next = get<1>(subs);
 1150|  1.15k|            auto ts   = get<2>(subs);
 1151|  1.15k|            auto tail = get<3>(subs);
 1152|  1.15k|            IMMER_TRY {
  ------------------
  |  |   49|  1.15k|#define IMMER_TRY try
  ------------------
 1153|  1.15k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 322, False: 828]
  ------------------
 1154|    322|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    322|                    newn->inner()[idx] = next;
 1156|    322|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|    828|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 0, False: 828]
  ------------------
 1158|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|    828|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [True: 828, Folded]
  |  Branch (1159:40): [True: 478, False: 350]
  |  Branch (1159:52): [True: 261, False: 217]
  ------------------
 1160|    261|                    auto newn = pos.node()->inner()[0];
 1161|    261|                    return std::make_tuple(
 1162|    261|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|    567|                } else {
 1164|    567|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|    567|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|    567|                }
 1167|  1.15k|            }
 1168|  1.15k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  1.15k|        }
 1177|  2.08k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|    805|    {
 1182|    805|        auto old_tail_size = pos.count();
 1183|    805|        auto new_tail_size = pos.index(last) + 1;
 1184|    805|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 522, False: 283]
  ------------------
 1185|    805|                                 ? pos.node()->inc()
 1186|    805|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|    805|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|    805|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE11visit_innerIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  16.6k|    {
 1415|  16.6k|        auto idx                = pos.subindex(first);
 1416|  16.6k|        auto count              = pos.count();
 1417|  16.6k|        auto left_size          = pos.size_before(idx);
 1418|  16.6k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  16.6k|        auto dropped_size       = first;
 1420|  16.6k|        auto child_dropped_size = dropped_size - left_size;
 1421|  16.6k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 16.6k, Folded]
  |  Branch (1421:25): [True: 14.8k, False: 1.76k]
  |  Branch (1421:45): [True: 3.39k, False: 11.4k]
  ------------------
 1422|  3.39k|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  13.2k|        } else {
 1424|  13.2k|            using std::get;
 1425|  13.2k|            auto n    = pos.node();
 1426|  13.2k|            auto newc = count - idx;
 1427|  13.2k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  13.2k|            IMMER_TRY {
  ------------------
  |  |   49|  13.2k|#define IMMER_TRY try
  ------------------
 1429|  13.2k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  13.2k|                auto newr     = newn->relaxed();
 1431|  13.2k|                newr->d.count = count - idx;
 1432|  13.2k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  13.2k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 13.2k, False: 0]
  ------------------
 1434|  13.2k|                pos.copy_sizes(idx + 1,
 1435|  13.2k|                               newr->d.count - 1,
 1436|  13.2k|                               newr->d.sizes[0],
 1437|  13.2k|                               newr->d.sizes + 1);
 1438|  13.2k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 13.2k, False: 0]
  ------------------
 1439|  13.2k|                       pos.size() - dropped_size);
 1440|  13.2k|                newn->inner()[0] = get<1>(subs);
 1441|  13.2k|                std::copy(n->inner() + idx + 1,
 1442|  13.2k|                          n->inner() + count,
 1443|  13.2k|                          newn->inner() + 1);
 1444|  13.2k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  13.2k|                return std::make_tuple(pos.shift(), newn);
 1446|  13.2k|            }
 1447|  13.2k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  13.2k|        }
 1452|  16.6k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1456|  12.3k|    {
 1457|  12.3k|        auto n = node_t::copy_leaf(pos.node(), pos.index(first), pos.count());
 1458|  12.3k|        return std::make_tuple(0, n);
 1459|  12.3k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE11visit_innerIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  57.1k|    {
 1415|  57.1k|        auto idx                = pos.subindex(first);
 1416|  57.1k|        auto count              = pos.count();
 1417|  57.1k|        auto left_size          = pos.size_before(idx);
 1418|  57.1k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  57.1k|        auto dropped_size       = first;
 1420|  57.1k|        auto child_dropped_size = dropped_size - left_size;
 1421|  57.1k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 57.1k]
  |  Branch (1421:25): [True: 0, False: 0]
  |  Branch (1421:45): [True: 0, False: 0]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  57.1k|        } else {
 1424|  57.1k|            using std::get;
 1425|  57.1k|            auto n    = pos.node();
 1426|  57.1k|            auto newc = count - idx;
 1427|  57.1k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  57.1k|            IMMER_TRY {
  ------------------
  |  |   49|  57.1k|#define IMMER_TRY try
  ------------------
 1429|  57.1k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  57.1k|                auto newr     = newn->relaxed();
 1431|  57.1k|                newr->d.count = count - idx;
 1432|  57.1k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  57.1k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 57.1k, False: 0]
  ------------------
 1434|  57.1k|                pos.copy_sizes(idx + 1,
 1435|  57.1k|                               newr->d.count - 1,
 1436|  57.1k|                               newr->d.sizes[0],
 1437|  57.1k|                               newr->d.sizes + 1);
 1438|  57.1k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 57.1k, False: 0]
  ------------------
 1439|  57.1k|                       pos.size() - dropped_size);
 1440|  57.1k|                newn->inner()[0] = get<1>(subs);
 1441|  57.1k|                std::copy(n->inner() + idx + 1,
 1442|  57.1k|                          n->inner() + count,
 1443|  57.1k|                          newn->inner() + 1);
 1444|  57.1k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  57.1k|                return std::make_tuple(pos.shift(), newn);
 1446|  57.1k|            }
 1447|  57.1k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  57.1k|        }
 1452|  57.1k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE11visit_innerIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|    812|    {
 1415|    812|        auto idx                = pos.subindex(first);
 1416|    812|        auto count              = pos.count();
 1417|    812|        auto left_size          = pos.size_before(idx);
 1418|    812|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|    812|        auto dropped_size       = first;
 1420|    812|        auto child_dropped_size = dropped_size - left_size;
 1421|    812|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 812]
  |  Branch (1421:25): [True: 0, False: 0]
  |  Branch (1421:45): [True: 0, False: 0]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|    812|        } else {
 1424|    812|            using std::get;
 1425|    812|            auto n    = pos.node();
 1426|    812|            auto newc = count - idx;
 1427|    812|            auto newn = node_t::make_inner_r_n(newc);
 1428|    812|            IMMER_TRY {
  ------------------
  |  |   49|    812|#define IMMER_TRY try
  ------------------
 1429|    812|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|    812|                auto newr     = newn->relaxed();
 1431|    812|                newr->d.count = count - idx;
 1432|    812|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|    812|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 812, False: 0]
  ------------------
 1434|    812|                pos.copy_sizes(idx + 1,
 1435|    812|                               newr->d.count - 1,
 1436|    812|                               newr->d.sizes[0],
 1437|    812|                               newr->d.sizes + 1);
 1438|    812|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 812, False: 0]
  ------------------
 1439|    812|                       pos.size() - dropped_size);
 1440|    812|                newn->inner()[0] = get<1>(subs);
 1441|    812|                std::copy(n->inner() + idx + 1,
 1442|    812|                          n->inner() + count,
 1443|    812|                          newn->inner() + 1);
 1444|    812|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|    812|                return std::make_tuple(pos.shift(), newn);
 1446|    812|            }
 1447|    812|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|    812|        }
 1452|    812|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1456|  7.68k|    {
 1457|  7.68k|        auto n = node_t::copy_leaf(pos.node(), pos.index(first), pos.count());
 1458|  7.68k|        return std::make_tuple(0, n);
 1459|  7.68k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE11visit_innerIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  4.17k|    {
 1415|  4.17k|        auto idx                = pos.subindex(first);
 1416|  4.17k|        auto count              = pos.count();
 1417|  4.17k|        auto left_size          = pos.size_before(idx);
 1418|  4.17k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  4.17k|        auto dropped_size       = first;
 1420|  4.17k|        auto child_dropped_size = dropped_size - left_size;
 1421|  4.17k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 4.17k]
  |  Branch (1421:25): [True: 0, False: 0]
  |  Branch (1421:45): [True: 0, False: 0]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  4.17k|        } else {
 1424|  4.17k|            using std::get;
 1425|  4.17k|            auto n    = pos.node();
 1426|  4.17k|            auto newc = count - idx;
 1427|  4.17k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  4.17k|            IMMER_TRY {
  ------------------
  |  |   49|  4.17k|#define IMMER_TRY try
  ------------------
 1429|  4.17k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  4.17k|                auto newr     = newn->relaxed();
 1431|  4.17k|                newr->d.count = count - idx;
 1432|  4.17k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  4.17k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 4.17k, False: 0]
  ------------------
 1434|  4.17k|                pos.copy_sizes(idx + 1,
 1435|  4.17k|                               newr->d.count - 1,
 1436|  4.17k|                               newr->d.sizes[0],
 1437|  4.17k|                               newr->d.sizes + 1);
 1438|  4.17k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 4.17k, False: 0]
  ------------------
 1439|  4.17k|                       pos.size() - dropped_size);
 1440|  4.17k|                newn->inner()[0] = get<1>(subs);
 1441|  4.17k|                std::copy(n->inner() + idx + 1,
 1442|  4.17k|                          n->inner() + count,
 1443|  4.17k|                          newn->inner() + 1);
 1444|  4.17k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  4.17k|                return std::make_tuple(pos.shift(), newn);
 1446|  4.17k|            }
 1447|  4.17k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  4.17k|        }
 1452|  4.17k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE11visit_innerIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  8.78k|    {
 1415|  8.78k|        auto idx                = pos.subindex(first);
 1416|  8.78k|        auto count              = pos.count();
 1417|  8.78k|        auto left_size          = pos.size_before(idx);
 1418|  8.78k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  8.78k|        auto dropped_size       = first;
 1420|  8.78k|        auto child_dropped_size = dropped_size - left_size;
 1421|  8.78k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 8.78k, Folded]
  |  Branch (1421:25): [True: 5.44k, False: 3.34k]
  |  Branch (1421:45): [True: 2.76k, False: 2.67k]
  ------------------
 1422|  2.76k|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  6.02k|        } else {
 1424|  6.02k|            using std::get;
 1425|  6.02k|            auto n    = pos.node();
 1426|  6.02k|            auto newc = count - idx;
 1427|  6.02k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  6.02k|            IMMER_TRY {
  ------------------
  |  |   49|  6.02k|#define IMMER_TRY try
  ------------------
 1429|  6.02k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  6.02k|                auto newr     = newn->relaxed();
 1431|  6.02k|                newr->d.count = count - idx;
 1432|  6.02k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  6.02k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 6.02k, False: 0]
  ------------------
 1434|  6.02k|                pos.copy_sizes(idx + 1,
 1435|  6.02k|                               newr->d.count - 1,
 1436|  6.02k|                               newr->d.sizes[0],
 1437|  6.02k|                               newr->d.sizes + 1);
 1438|  6.02k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 6.02k, False: 0]
  ------------------
 1439|  6.02k|                       pos.size() - dropped_size);
 1440|  6.02k|                newn->inner()[0] = get<1>(subs);
 1441|  6.02k|                std::copy(n->inner() + idx + 1,
 1442|  6.02k|                          n->inner() + count,
 1443|  6.02k|                          newn->inner() + 1);
 1444|  6.02k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  6.02k|                return std::make_tuple(pos.shift(), newn);
 1446|  6.02k|            }
 1447|  6.02k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  6.02k|        }
 1452|  8.78k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE11visit_innerIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|    855|    {
 1415|    855|        auto idx                = pos.subindex(first);
 1416|    855|        auto count              = pos.count();
 1417|    855|        auto left_size          = pos.size_before(idx);
 1418|    855|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|    855|        auto dropped_size       = first;
 1420|    855|        auto child_dropped_size = dropped_size - left_size;
 1421|    855|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 855, Folded]
  |  Branch (1421:25): [True: 286, False: 569]
  |  Branch (1421:45): [True: 0, False: 286]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|    855|        } else {
 1424|    855|            using std::get;
 1425|    855|            auto n    = pos.node();
 1426|    855|            auto newc = count - idx;
 1427|    855|            auto newn = node_t::make_inner_r_n(newc);
 1428|    855|            IMMER_TRY {
  ------------------
  |  |   49|    855|#define IMMER_TRY try
  ------------------
 1429|    855|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|    855|                auto newr     = newn->relaxed();
 1431|    855|                newr->d.count = count - idx;
 1432|    855|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|    855|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 855, False: 0]
  ------------------
 1434|    855|                pos.copy_sizes(idx + 1,
 1435|    855|                               newr->d.count - 1,
 1436|    855|                               newr->d.sizes[0],
 1437|    855|                               newr->d.sizes + 1);
 1438|    855|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 855, False: 0]
  ------------------
 1439|    855|                       pos.size() - dropped_size);
 1440|    855|                newn->inner()[0] = get<1>(subs);
 1441|    855|                std::copy(n->inner() + idx + 1,
 1442|    855|                          n->inner() + count,
 1443|    855|                          newn->inner() + 1);
 1444|    855|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|    855|                return std::make_tuple(pos.shift(), newn);
 1446|    855|            }
 1447|    855|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|    855|        }
 1452|    855|    }
_ZN5immer6detail4rbts12concat_treesINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jSG_jm:
 2001|  11.6k|{
 2002|  11.6k|    return make_singleton_regular_sub_pos(ltail, ltcount)
 2003|  11.6k|        .visit(concat_trees_left_visitor<Node>{},
 2004|  11.6k|               empty_leaf_pos<Node>{},
 2005|  11.6k|               rroot,
 2006|  11.6k|               rshift,
 2007|  11.6k|               rsize)
 2008|  11.6k|        .realize();
 2009|  11.6k|}
_ZN5immer6detail4rbts25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_25singleton_regular_sub_posISC_EENS1_14empty_leaf_posISC_EEJRPSC_RjRmEEENS1_17concat_center_posISC_EEOT_OT0_DpOT1_:
 1971|  11.6k|    {
 1972|  11.6k|        return visit_maybe_relaxed_sub(
 1973|  11.6k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  11.6k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  8.84k|    {
 1959|  8.84k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  8.84k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  62.4k|{
 1873|  62.4k|    auto lshift = lpos.shift();
 1874|  62.4k|    auto rshift = rpos.shift();
 1875|  62.4k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 62.4k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  62.4k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 53.9k, False: 8.54k]
  ------------------
 1879|  53.9k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  53.9k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  53.9k|    } else {
 1882|  8.54k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 8.54k, False: 0]
  ------------------
 1883|  8.54k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 8.54k]
  |  Branch (1883:9): [True: 8.54k, False: 0]
  |  Branch (1883:9): [True: 8.54k, False: 0]
  ------------------
 1884|  8.54k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  8.54k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  8.54k|    }
 1887|  62.4k|}
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8each_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1512|  18.0M|    {
 1513|  18.0M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.44M, False: 16.6M]
  ------------------
 1514|  1.44M|            auto s = size_t{};
 1515|  5.76M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 4.31M, False: 1.44M]
  ------------------
 1516|  4.31M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  4.31M|                s = sizes_[i];
 1518|  4.31M|            }
 1519|  16.6M|        } else {
 1520|  45.6M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 29.0M, False: 16.6M]
  ------------------
 1521|  29.0M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  29.0M|                    .visit(v, args...);
 1523|  16.6M|        }
 1524|  18.0M|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|  13.9M|    {
 1734|  13.9M|        auto count = p.count();
 1735|  13.9M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 13.9M, False: 0]
  ------------------
 1736|  13.9M|        plan.counts[plan.n++] = count;
 1737|  13.9M|        plan.total += count;
 1738|  13.9M|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|   162M|    {
 1734|   162M|        auto count = p.count();
 1735|   162M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 162M, False: 0]
  ------------------
 1736|   162M|        plan.counts[plan.n++] = count;
 1737|   162M|        plan.total += count;
 1738|   162M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE7shuffleEj:
 1762|  18.0M|    {
 1763|       |        // gcc seems to not really understand this code... :(
 1764|  18.0M|#if !defined(_MSC_VER)
 1765|  18.0M|#pragma GCC diagnostic push
 1766|  18.0M|#pragma GCC diagnostic ignored "-Warray-bounds"
 1767|  18.0M|#endif
 1768|  18.0M|        constexpr count_t rrb_extras    = 2;
 1769|  18.0M|        constexpr count_t rrb_invariant = 1;
 1770|  18.0M|        const auto bits                 = shift == BL ? BL : B;
  ------------------
  |  Branch (1770:43): [True: 1.44M, False: 16.6M]
  ------------------
 1771|  18.0M|        const auto branches             = count_t{1} << bits;
 1772|  18.0M|        const auto optimal              = ((total - 1) >> bits) + 1;
 1773|  18.0M|        count_t i                       = 0;
 1774|  22.7M|        while (n >= optimal + rrb_extras) {
  ------------------
  |  Branch (1774:16): [True: 4.63M, False: 18.0M]
  ------------------
 1775|       |            // skip ok nodes
 1776|  10.4M|            while (counts[i] > branches - rrb_invariant)
  ------------------
  |  Branch (1776:20): [True: 5.76M, False: 4.63M]
  ------------------
 1777|  5.76M|                i++;
 1778|  4.63M|            assert(i < n);
  ------------------
  |  Branch (1778:13): [True: 4.63M, False: 0]
  ------------------
 1779|       |            // short node, redistribute
 1780|  4.63M|            auto remaining = counts[i];
 1781|  17.9M|            do {
 1782|  17.9M|                auto next  = counts[i + 1];
 1783|  17.9M|                auto count = std::min(remaining + next, branches);
 1784|  17.9M|                counts[i]  = count;
 1785|  17.9M|                assert(counts[i]);
  ------------------
  |  Branch (1785:17): [True: 17.9M, False: 0]
  ------------------
 1786|  17.9M|                remaining += next - count;
 1787|  17.9M|                ++i;
 1788|  17.9M|            } while (remaining > 0);
  ------------------
  |  Branch (1788:22): [True: 13.3M, False: 4.63M]
  ------------------
 1789|       |            // remove node
 1790|  4.63M|            std::move(counts + i + 1, counts + n, counts + i);
 1791|  4.63M|            --n;
 1792|  4.63M|            --i;
 1793|  4.63M|        }
 1794|  18.0M|#if !defined(_MSC_VER)
 1795|  18.0M|#pragma GCC diagnostic pop
 1796|  18.0M|#endif
 1797|  18.0M|    }
_ZNK5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
 1478|  36.1M|    auto shift() const { return shift_; }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEC2EjPjj:
 1577|  18.0M|        : curr_{counts}
 1578|  18.0M|        , n_{n}
 1579|  18.0M|        , result_{
 1580|  18.0M|              shift + B, node_t::make_inner_r_n(std::min(n_, branches<B>)), 0}
 1581|  18.0M|    {
 1582|  18.0M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEC2EjPSC_m:
 1481|  18.0M|        : shift_{s}
 1482|  18.0M|        , count_{1}
 1483|  18.0M|        , nodes_{n0}
 1484|  18.0M|        , sizes_{s0}
 1485|  18.0M|    {
 1486|  18.0M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8each_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1512|  18.0M|    {
 1513|  18.0M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.44M, False: 16.6M]
  ------------------
 1514|  1.44M|            auto s = size_t{};
 1515|  5.76M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 4.31M, False: 1.44M]
  ------------------
 1516|  4.31M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  4.31M|                s = sizes_[i];
 1518|  4.31M|            }
 1519|  16.6M|        } else {
 1520|  45.6M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 29.0M, False: 16.6M]
  ------------------
 1521|  29.0M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  29.0M|                    .visit(v, args...);
 1523|  16.6M|        }
 1524|  18.0M|    }
_ZN5immer6detail4rbts21concat_merger_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1721|  13.9M|    {
 1722|  13.9M|        merger.merge_leaf(p);
 1723|  13.9M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10merge_leafIRNS1_12leaf_sub_posISC_EEEEvOT_:
 1614|  13.9M|    {
 1615|  13.9M|        auto from       = p.node();
 1616|  13.9M|        auto from_size  = p.size();
 1617|  13.9M|        auto from_count = p.count();
 1618|  13.9M|        assert(from_size);
  ------------------
  |  Branch (1618:9): [True: 13.9M, False: 0]
  ------------------
 1619|  13.9M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1619:13): [True: 13.7M, False: 210k]
  |  Branch (1619:21): [True: 13.6M, False: 99.1k]
  ------------------
 1620|  13.6M|            add_child(from, from_size);
 1621|  13.6M|            from->inc();
 1622|  13.6M|        } else {
 1623|   309k|            auto from_offset = count_t{};
 1624|   309k|            auto from_data   = from->leaf();
 1625|   417k|            do {
 1626|   417k|                if (!to_) {
  ------------------
  |  Branch (1626:21): [True: 207k, False: 210k]
  ------------------
 1627|   207k|                    to_        = node_t::make_leaf_n(*curr_);
 1628|   207k|                    to_offset_ = 0;
 1629|   207k|                }
 1630|   417k|                auto data = to_->leaf();
 1631|   417k|                auto to_copy =
 1632|   417k|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1633|   417k|                detail::uninitialized_copy(from_data + from_offset,
 1634|   417k|                                           from_data + from_offset + to_copy,
 1635|   417k|                                           data + to_offset_);
 1636|   417k|                to_offset_ += to_copy;
 1637|   417k|                from_offset += to_copy;
 1638|   417k|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1638:21): [True: 207k, False: 210k]
  ------------------
 1639|   207k|                    add_child(to_, to_offset_);
 1640|   207k|                    to_ = nullptr;
 1641|   207k|                }
 1642|   417k|            } while (from_offset != from_count);
  ------------------
  |  Branch (1642:22): [True: 107k, False: 309k]
  ------------------
 1643|   309k|        }
 1644|  13.9M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9add_childEPSC_m:
 1589|   181M|    {
 1590|   181M|        assert(size);
  ------------------
  |  Branch (1590:9): [True: 181M, False: 0]
  ------------------
 1591|   181M|        ++curr_;
 1592|   181M|        auto parent  = result_.nodes_[result_.count_ - 1];
 1593|   181M|        auto relaxed = parent->relaxed();
 1594|   181M|        if (relaxed->d.count == branches<B>) {
  ------------------
  |  Branch (1594:13): [True: 12.4M, False: 169M]
  ------------------
 1595|  12.4M|            assert(result_.count_ < result_t::max_children);
  ------------------
  |  Branch (1595:13): [True: 12.4M, False: 0]
  ------------------
 1596|  12.4M|            n_ -= branches<B>;
 1597|  12.4M|            parent  = node_t::make_inner_r_n(std::min(n_, branches<B>));
 1598|  12.4M|            relaxed = parent->relaxed();
 1599|  12.4M|            result_.nodes_[result_.count_] = parent;
 1600|  12.4M|            result_.sizes_[result_.count_] = result_.sizes_[result_.count_ - 1];
 1601|  12.4M|            assert(result_.sizes_[result_.count_]);
  ------------------
  |  Branch (1601:13): [True: 12.4M, False: 0]
  ------------------
 1602|  12.4M|            ++result_.count_;
 1603|  12.4M|        }
 1604|   181M|        auto idx = relaxed->d.count++;
 1605|   181M|        result_.sizes_[result_.count_ - 1] += size;
 1606|   181M|        assert(result_.sizes_[result_.count_ - 1]);
  ------------------
  |  Branch (1606:9): [True: 181M, False: 0]
  ------------------
 1607|   181M|        relaxed->d.sizes[idx] = size + (idx ? relaxed->d.sizes[idx - 1] : 0);
  ------------------
  |  Branch (1607:41): [True: 151M, False: 30.5M]
  ------------------
 1608|   181M|        assert(relaxed->d.sizes[idx]);
  ------------------
  |  Branch (1608:9): [True: 181M, False: 0]
  ------------------
 1609|   181M|        parent->inner()[idx] = p;
 1610|   181M|    };
_ZN5immer6detail4rbts21concat_merger_visitor11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1715|   162M|    {
 1716|   162M|        merger.merge_inner(p);
 1717|   162M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11merge_innerIRNS1_11relaxed_posISC_EEEEvOT_:
 1648|   162M|    {
 1649|   162M|        auto from       = p.node();
 1650|   162M|        auto from_size  = p.size();
 1651|   162M|        auto from_count = p.count();
 1652|   162M|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 162M, False: 0]
  ------------------
 1653|   162M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 146M, False: 16.0M]
  |  Branch (1653:21): [True: 143M, False: 3.59M]
  ------------------
 1654|   143M|            add_child(from, from_size);
 1655|   143M|            from->inc();
 1656|   143M|        } else {
 1657|  19.6M|            auto from_offset = count_t{};
 1658|  19.6M|            auto from_data   = from->inner();
 1659|  31.2M|            do {
 1660|  31.2M|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 15.1M, False: 16.0M]
  ------------------
 1661|  15.1M|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|  15.1M|                    to_offset_ = 0;
 1663|  15.1M|                    to_size_   = 0;
 1664|  15.1M|                }
 1665|  31.2M|                auto data = to_->inner();
 1666|  31.2M|                auto to_copy =
 1667|  31.2M|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|  31.2M|                std::copy(from_data + from_offset,
 1669|  31.2M|                          from_data + from_offset + to_copy,
 1670|  31.2M|                          data + to_offset_);
 1671|  31.2M|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|  31.2M|                auto sizes = to_->relaxed()->d.sizes;
 1673|  31.2M|                p.copy_sizes(
 1674|  31.2M|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|  31.2M|                to_offset_ += to_copy;
 1676|  31.2M|                from_offset += to_copy;
 1677|  31.2M|                to_size_ = sizes[to_offset_ - 1];
 1678|  31.2M|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 31.2M, False: 0]
  ------------------
 1679|  31.2M|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 15.1M, False: 16.0M]
  ------------------
 1680|  15.1M|                    to_->relaxed()->d.count = to_offset_;
 1681|  15.1M|                    add_child(to_, to_size_);
 1682|  15.1M|                    to_ = nullptr;
 1683|  15.1M|                }
 1684|  31.2M|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 11.5M, False: 19.6M]
  ------------------
 1685|  19.6M|        }
 1686|   162M|    }
_ZNK5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE6finishEv:
 1689|  18.0M|    {
 1690|  18.0M|        assert(!to_);
  ------------------
  |  Branch (1690:9): [True: 18.0M, False: 0]
  ------------------
 1691|  18.0M|        return result_;
 1692|  18.0M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8each_subINS1_11dec_visitorEJEEEvT_DpOT0_:
 1512|  18.0M|    {
 1513|  18.0M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.44M, False: 16.6M]
  ------------------
 1514|  1.44M|            auto s = size_t{};
 1515|  5.76M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 4.31M, False: 1.44M]
  ------------------
 1516|  4.31M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  4.31M|                s = sizes_[i];
 1518|  4.31M|            }
 1519|  16.6M|        } else {
 1520|  45.6M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 29.0M, False: 16.6M]
  ------------------
 1521|  29.0M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  29.0M|                    .visit(v, args...);
 1523|  16.6M|        }
 1524|  18.0M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEC2EjPSC_mSE_mSE_m:
 1503|  1.43M|        : shift_{s}
 1504|  1.43M|        , count_{3}
 1505|  1.43M|        , nodes_{n0, n1, n2}
 1506|  1.43M|        , sizes_{s0, s0 + s1, s0 + s1 + s2}
 1507|  1.43M|    {
 1508|  1.43M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEC2EjPSC_mSE_m:
 1489|  11.6k|        : shift_{s}
 1490|  11.6k|        , count_{2}
 1491|  11.6k|        , nodes_{n0, n1}
 1492|  11.6k|        , sizes_{s0, s0 + s1}
 1493|  11.6k|    {
 1494|  11.6k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  53.6k|    {
 1918|  53.6k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  53.6k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|    303|    {
 1918|    303|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|    303|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  3.09k|{
 1873|  3.09k|    auto lshift = lpos.shift();
 1874|  3.09k|    auto rshift = rpos.shift();
 1875|  3.09k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 3.09k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  3.09k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 601, False: 2.49k]
  ------------------
 1879|    601|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    601|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  2.49k|    } else {
 1882|  2.49k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 2.49k, False: 0]
  ------------------
 1883|  2.49k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 2.49k]
  |  Branch (1883:9): [True: 2.49k, False: 0]
  |  Branch (1883:9): [True: 2.49k, False: 0]
  ------------------
 1884|  2.49k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  2.49k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  2.49k|    }
 1887|  3.09k|}
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_8full_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|    903|    {
 1918|    903|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|    903|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|    903|{
 1873|    903|    auto lshift = lpos.shift();
 1874|    903|    auto rshift = rpos.shift();
 1875|    903|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 903]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|    903|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 302, False: 601]
  ------------------
 1879|    302|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    302|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|    601|    } else {
 1882|    601|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 601, False: 0]
  ------------------
 1883|    601|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 601]
  |  Branch (1883:9): [True: 601, False: 0]
  |  Branch (1883:9): [True: 601, False: 0]
  ------------------
 1884|    601|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|    601|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|    601|    }
 1887|    903|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_12null_sub_posERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSE_IT_EEOT0_OT1_OT2_:
 1823|    738|{
 1824|    738|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|    738|    plan.fill(lpos, cpos, rpos);
 1826|    738|    plan.shuffle(cpos.shift());
 1827|    738|    IMMER_TRY {
  ------------------
  |  |   49|    738|#define IMMER_TRY try
  ------------------
 1828|    738|        return plan.merge(lpos, cpos, rpos);
 1829|    738|    }
 1830|    738|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|    738|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISH_EEEEvOT_OT0_OT1_:
 1752|    738|    {
 1753|    738|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 738, False: 0]
  ------------------
 1754|    738|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 738, False: 0]
  ------------------
 1755|    738|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|    738|        lpos.each_left_sub(visitor_t{}, *this);
 1757|    738|        cpos.each_sub(visitor_t{}, *this);
 1758|    738|        rpos.each_right_sub(visitor_t{}, *this);
 1759|    738|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|  5.12M|    {
 1734|  5.12M|        auto count = p.count();
 1735|  5.12M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 5.12M, False: 0]
  ------------------
 1736|  5.12M|        plan.counts[plan.n++] = count;
 1737|  5.12M|        plan.total += count;
 1738|  5.12M|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|   679k|    {
 1734|   679k|        auto count = p.count();
 1735|   679k|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 679k, False: 0]
  ------------------
 1736|   679k|        plan.counts[plan.n++] = count;
 1737|   679k|        plan.total += count;
 1738|   679k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISH_EEEENS7_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|    738|    {
 1803|    738|        using node_t    = node_type<CPos>;
 1804|    738|        using merger_t  = concat_merger<node_t>;
 1805|    738|        using visitor_t = concat_merger_visitor;
 1806|    738|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|    738|        IMMER_TRY {
  ------------------
  |  |   49|    738|#define IMMER_TRY try
  ------------------
 1808|    738|            lpos.each_left_sub(visitor_t{}, merger);
 1809|    738|            cpos.each_sub(visitor_t{}, merger);
 1810|    738|            rpos.each_right_sub(visitor_t{}, merger);
 1811|    738|            cpos.each_sub(dec_visitor{});
 1812|    738|            return merger.finish();
 1813|    738|        }
 1814|    738|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|    738|    }
_ZN5immer6detail4rbts21concat_merger_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1721|  5.12M|    {
 1722|  5.12M|        merger.merge_leaf(p);
 1723|  5.12M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10merge_leafIRNS1_13full_leaf_posISC_EEEEvOT_:
 1614|  5.12M|    {
 1615|  5.12M|        auto from       = p.node();
 1616|  5.12M|        auto from_size  = p.size();
 1617|  5.12M|        auto from_count = p.count();
 1618|  5.12M|        assert(from_size);
  ------------------
  |  Branch (1618:9): [True: 5.12M, False: 0]
  ------------------
 1619|  5.12M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1619:13): [True: 5.12M, False: 0]
  |  Branch (1619:21): [True: 5.12M, False: 0]
  ------------------
 1620|  5.12M|            add_child(from, from_size);
 1621|  5.12M|            from->inc();
 1622|  5.12M|        } else {
 1623|      0|            auto from_offset = count_t{};
 1624|      0|            auto from_data   = from->leaf();
 1625|      0|            do {
 1626|      0|                if (!to_) {
  ------------------
  |  Branch (1626:21): [True: 0, False: 0]
  ------------------
 1627|      0|                    to_        = node_t::make_leaf_n(*curr_);
 1628|      0|                    to_offset_ = 0;
 1629|      0|                }
 1630|      0|                auto data = to_->leaf();
 1631|      0|                auto to_copy =
 1632|      0|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1633|      0|                detail::uninitialized_copy(from_data + from_offset,
 1634|      0|                                           from_data + from_offset + to_copy,
 1635|      0|                                           data + to_offset_);
 1636|      0|                to_offset_ += to_copy;
 1637|      0|                from_offset += to_copy;
 1638|      0|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1638:21): [True: 0, False: 0]
  ------------------
 1639|      0|                    add_child(to_, to_offset_);
 1640|      0|                    to_ = nullptr;
 1641|      0|                }
 1642|      0|            } while (from_offset != from_count);
  ------------------
  |  Branch (1642:22): [True: 0, False: 0]
  ------------------
 1643|      0|        }
 1644|  5.12M|    }
_ZN5immer6detail4rbts21concat_merger_visitor11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1715|   679k|    {
 1716|   679k|        merger.merge_inner(p);
 1717|   679k|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11merge_innerIRNS1_8full_posISC_EEEEvOT_:
 1648|   679k|    {
 1649|   679k|        auto from       = p.node();
 1650|   679k|        auto from_size  = p.size();
 1651|   679k|        auto from_count = p.count();
 1652|   679k|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 679k, False: 0]
  ------------------
 1653|   679k|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 679k, False: 0]
  |  Branch (1653:21): [True: 679k, False: 0]
  ------------------
 1654|   679k|            add_child(from, from_size);
 1655|   679k|            from->inc();
 1656|   679k|        } else {
 1657|      0|            auto from_offset = count_t{};
 1658|      0|            auto from_data   = from->inner();
 1659|      0|            do {
 1660|      0|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 0, False: 0]
  ------------------
 1661|      0|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|      0|                    to_offset_ = 0;
 1663|      0|                    to_size_   = 0;
 1664|      0|                }
 1665|      0|                auto data = to_->inner();
 1666|      0|                auto to_copy =
 1667|      0|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|      0|                std::copy(from_data + from_offset,
 1669|      0|                          from_data + from_offset + to_copy,
 1670|      0|                          data + to_offset_);
 1671|      0|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|      0|                auto sizes = to_->relaxed()->d.sizes;
 1673|      0|                p.copy_sizes(
 1674|      0|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|      0|                to_offset_ += to_copy;
 1676|      0|                from_offset += to_copy;
 1677|      0|                to_size_ = sizes[to_offset_ - 1];
 1678|      0|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 0, False: 0]
  ------------------
 1679|      0|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 0, False: 0]
  ------------------
 1680|      0|                    to_->relaxed()->d.count = to_offset_;
 1681|      0|                    add_child(to_, to_size_);
 1682|      0|                    to_ = nullptr;
 1683|      0|                }
 1684|      0|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 0, False: 0]
  ------------------
 1685|      0|        }
 1686|   679k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|    601|    {
 1945|    601|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|    601|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|  3.09k|    {
 1925|  3.09k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  3.09k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_13full_leaf_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|  3.09k|{
 1839|  3.09k|    static_assert(Node::bits >= 2, "");
 1840|  3.09k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 3.09k, False: 0]
  ------------------
 1841|  3.09k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 3.09k, False: 0]
  ------------------
 1842|  3.09k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 3.09k, False: 0]
  ------------------
 1843|  3.09k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 0, False: 3.09k]
  ------------------
 1844|      0|        return {
 1845|      0|            Node::bits_leaf,
 1846|      0|            lpos.node()->inc(),
 1847|      0|            lpos.count(),
 1848|      0|            tpos.node()->inc(),
 1849|      0|            tpos.count(),
 1850|      0|            rpos.node()->inc(),
 1851|      0|            rpos.count(),
 1852|      0|        };
 1853|  3.09k|    else
 1854|  3.09k|        return {
 1855|  3.09k|            Node::bits_leaf,
 1856|  3.09k|            lpos.node()->inc(),
 1857|  3.09k|            lpos.count(),
 1858|  3.09k|            rpos.node()->inc(),
 1859|  3.09k|            rpos.count(),
 1860|  3.09k|        };
 1861|  3.09k|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|    601|{
 1824|    601|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|    601|    plan.fill(lpos, cpos, rpos);
 1826|    601|    plan.shuffle(cpos.shift());
 1827|    601|    IMMER_TRY {
  ------------------
  |  |   49|    601|#define IMMER_TRY try
  ------------------
 1828|    601|        return plan.merge(lpos, cpos, rpos);
 1829|    601|    }
 1830|    601|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|    601|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEEvOT_OT0_OT1_:
 1752|    601|    {
 1753|    601|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 601, False: 0]
  ------------------
 1754|    601|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 601, False: 0]
  ------------------
 1755|    601|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|    601|        lpos.each_left_sub(visitor_t{}, *this);
 1757|    601|        cpos.each_sub(visitor_t{}, *this);
 1758|    601|        rpos.each_right_sub(visitor_t{}, *this);
 1759|    601|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|    601|    {
 1803|    601|        using node_t    = node_type<CPos>;
 1804|    601|        using merger_t  = concat_merger<node_t>;
 1805|    601|        using visitor_t = concat_merger_visitor;
 1806|    601|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|    601|        IMMER_TRY {
  ------------------
  |  |   49|    601|#define IMMER_TRY try
  ------------------
 1808|    601|            lpos.each_left_sub(visitor_t{}, merger);
 1809|    601|            cpos.each_sub(visitor_t{}, merger);
 1810|    601|            rpos.each_right_sub(visitor_t{}, merger);
 1811|    601|            cpos.each_sub(dec_visitor{});
 1812|    601|            return merger.finish();
 1813|    601|        }
 1814|    601|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|    601|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_12null_sub_posERNS1_17concat_center_posISC_EERNS1_15regular_sub_posISC_EEEENSE_IT_EEOT0_OT1_OT2_:
 1823|  1.77k|{
 1824|  1.77k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.77k|    plan.fill(lpos, cpos, rpos);
 1826|  1.77k|    plan.shuffle(cpos.shift());
 1827|  1.77k|    IMMER_TRY {
  ------------------
  |  |   49|  1.77k|#define IMMER_TRY try
  ------------------
 1828|  1.77k|        return plan.merge(lpos, cpos, rpos);
 1829|  1.77k|    }
 1830|  1.77k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.77k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISH_EEEEvOT_OT0_OT1_:
 1752|  1.77k|    {
 1753|  1.77k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.77k, False: 0]
  ------------------
 1754|  1.77k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.77k, False: 0]
  ------------------
 1755|  1.77k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.77k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.77k|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.77k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.77k|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|  3.72M|    {
 1734|  3.72M|        auto count = p.count();
 1735|  3.72M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 3.72M, False: 0]
  ------------------
 1736|  3.72M|        plan.counts[plan.n++] = count;
 1737|  3.72M|        plan.total += count;
 1738|  3.72M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISH_EEEENS7_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  1.77k|    {
 1803|  1.77k|        using node_t    = node_type<CPos>;
 1804|  1.77k|        using merger_t  = concat_merger<node_t>;
 1805|  1.77k|        using visitor_t = concat_merger_visitor;
 1806|  1.77k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.77k|        IMMER_TRY {
  ------------------
  |  |   49|  1.77k|#define IMMER_TRY try
  ------------------
 1808|  1.77k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.77k|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.77k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.77k|            cpos.each_sub(dec_visitor{});
 1812|  1.77k|            return merger.finish();
 1813|  1.77k|        }
 1814|  1.77k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.77k|    }
_ZN5immer6detail4rbts21concat_merger_visitor11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1715|  3.72M|    {
 1716|  3.72M|        merger.merge_inner(p);
 1717|  3.72M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11merge_innerIRNS1_15regular_sub_posISC_EEEEvOT_:
 1648|  3.72M|    {
 1649|  3.72M|        auto from       = p.node();
 1650|  3.72M|        auto from_size  = p.size();
 1651|  3.72M|        auto from_count = p.count();
 1652|  3.72M|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 3.72M, False: 0]
  ------------------
 1653|  3.72M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 2.06M, False: 1.65M]
  |  Branch (1653:21): [True: 2.06M, False: 0]
  ------------------
 1654|  2.06M|            add_child(from, from_size);
 1655|  2.06M|            from->inc();
 1656|  2.06M|        } else {
 1657|  1.65M|            auto from_offset = count_t{};
 1658|  1.65M|            auto from_data   = from->inner();
 1659|  3.31M|            do {
 1660|  3.31M|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 1.65M, False: 1.65M]
  ------------------
 1661|  1.65M|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|  1.65M|                    to_offset_ = 0;
 1663|  1.65M|                    to_size_   = 0;
 1664|  1.65M|                }
 1665|  3.31M|                auto data = to_->inner();
 1666|  3.31M|                auto to_copy =
 1667|  3.31M|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|  3.31M|                std::copy(from_data + from_offset,
 1669|  3.31M|                          from_data + from_offset + to_copy,
 1670|  3.31M|                          data + to_offset_);
 1671|  3.31M|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|  3.31M|                auto sizes = to_->relaxed()->d.sizes;
 1673|  3.31M|                p.copy_sizes(
 1674|  3.31M|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|  3.31M|                to_offset_ += to_copy;
 1676|  3.31M|                from_offset += to_copy;
 1677|  3.31M|                to_size_ = sizes[to_offset_ - 1];
 1678|  3.31M|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 3.31M, False: 0]
  ------------------
 1679|  3.31M|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 1.65M, False: 1.65M]
  ------------------
 1680|  1.65M|                    to_->relaxed()->d.count = to_offset_;
 1681|  1.65M|                    add_child(to_, to_size_);
 1682|  1.65M|                    to_ = nullptr;
 1683|  1.65M|                }
 1684|  3.31M|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 1.65M, False: 1.65M]
  ------------------
 1685|  1.65M|        }
 1686|  3.72M|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  2.49k|    {
 1945|  2.49k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  2.49k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EESH_RNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|  8.54k|    {
 1925|  8.54k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  8.54k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|  8.54k|{
 1839|  8.54k|    static_assert(Node::bits >= 2, "");
 1840|  8.54k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 8.54k, False: 0]
  ------------------
 1841|  8.54k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 8.54k, False: 0]
  ------------------
 1842|  8.54k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 8.54k, False: 0]
  ------------------
 1843|  8.54k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 0, False: 8.54k]
  ------------------
 1844|      0|        return {
 1845|      0|            Node::bits_leaf,
 1846|      0|            lpos.node()->inc(),
 1847|      0|            lpos.count(),
 1848|      0|            tpos.node()->inc(),
 1849|      0|            tpos.count(),
 1850|      0|            rpos.node()->inc(),
 1851|      0|            rpos.count(),
 1852|      0|        };
 1853|  8.54k|    else
 1854|  8.54k|        return {
 1855|  8.54k|            Node::bits_leaf,
 1856|  8.54k|            lpos.node()->inc(),
 1857|  8.54k|            lpos.count(),
 1858|  8.54k|            rpos.node()->inc(),
 1859|  8.54k|            rpos.count(),
 1860|  8.54k|        };
 1861|  8.54k|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_15regular_sub_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  2.49k|{
 1824|  2.49k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  2.49k|    plan.fill(lpos, cpos, rpos);
 1826|  2.49k|    plan.shuffle(cpos.shift());
 1827|  2.49k|    IMMER_TRY {
  ------------------
  |  |   49|  2.49k|#define IMMER_TRY try
  ------------------
 1828|  2.49k|        return plan.merge(lpos, cpos, rpos);
 1829|  2.49k|    }
 1830|  2.49k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  2.49k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEEvOT_OT0_OT1_:
 1752|  2.49k|    {
 1753|  2.49k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 2.49k, False: 0]
  ------------------
 1754|  2.49k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 2.49k, False: 0]
  ------------------
 1755|  2.49k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  2.49k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  2.49k|        cpos.each_sub(visitor_t{}, *this);
 1758|  2.49k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  2.49k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  2.49k|    {
 1803|  2.49k|        using node_t    = node_type<CPos>;
 1804|  2.49k|        using merger_t  = concat_merger<node_t>;
 1805|  2.49k|        using visitor_t = concat_merger_visitor;
 1806|  2.49k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  2.49k|        IMMER_TRY {
  ------------------
  |  |   49|  2.49k|#define IMMER_TRY try
  ------------------
 1808|  2.49k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  2.49k|            cpos.each_sub(visitor_t{}, merger);
 1810|  2.49k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  2.49k|            cpos.each_sub(dec_visitor{});
 1812|  2.49k|            return merger.finish();
 1813|  2.49k|        }
 1814|  2.49k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  2.49k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_12null_sub_posERNS1_17concat_center_posISC_EERNS1_11relaxed_posISC_EEEENSE_IT_EEOT0_OT1_OT2_:
 1823|   160k|{
 1824|   160k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|   160k|    plan.fill(lpos, cpos, rpos);
 1826|   160k|    plan.shuffle(cpos.shift());
 1827|   160k|    IMMER_TRY {
  ------------------
  |  |   49|   160k|#define IMMER_TRY try
  ------------------
 1828|   160k|        return plan.merge(lpos, cpos, rpos);
 1829|   160k|    }
 1830|   160k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|   160k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISH_EEEEvOT_OT0_OT1_:
 1752|   160k|    {
 1753|   160k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 160k, False: 0]
  ------------------
 1754|   160k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 160k, False: 0]
  ------------------
 1755|   160k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|   160k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|   160k|        cpos.each_sub(visitor_t{}, *this);
 1758|   160k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|   160k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISH_EEEENS7_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|   160k|    {
 1803|   160k|        using node_t    = node_type<CPos>;
 1804|   160k|        using merger_t  = concat_merger<node_t>;
 1805|   160k|        using visitor_t = concat_merger_visitor;
 1806|   160k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|   160k|        IMMER_TRY {
  ------------------
  |  |   49|   160k|#define IMMER_TRY try
  ------------------
 1808|   160k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|   160k|            cpos.each_sub(visitor_t{}, merger);
 1810|   160k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|   160k|            cpos.each_sub(dec_visitor{});
 1812|   160k|            return merger.finish();
 1813|   160k|        }
 1814|   160k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|   160k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  8.54k|    {
 1945|  8.54k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  8.54k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_11relaxed_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  8.54k|{
 1824|  8.54k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  8.54k|    plan.fill(lpos, cpos, rpos);
 1826|  8.54k|    plan.shuffle(cpos.shift());
 1827|  8.54k|    IMMER_TRY {
  ------------------
  |  |   49|  8.54k|#define IMMER_TRY try
  ------------------
 1828|  8.54k|        return plan.merge(lpos, cpos, rpos);
 1829|  8.54k|    }
 1830|  8.54k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  8.54k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEEvOT_OT0_OT1_:
 1752|  8.54k|    {
 1753|  8.54k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 8.54k, False: 0]
  ------------------
 1754|  8.54k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 8.54k, False: 0]
  ------------------
 1755|  8.54k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  8.54k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  8.54k|        cpos.each_sub(visitor_t{}, *this);
 1758|  8.54k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  8.54k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  8.54k|    {
 1803|  8.54k|        using node_t    = node_type<CPos>;
 1804|  8.54k|        using merger_t  = concat_merger<node_t>;
 1805|  8.54k|        using visitor_t = concat_merger_visitor;
 1806|  8.54k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  8.54k|        IMMER_TRY {
  ------------------
  |  |   49|  8.54k|#define IMMER_TRY try
  ------------------
 1808|  8.54k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  8.54k|            cpos.each_sub(visitor_t{}, merger);
 1810|  8.54k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  8.54k|            cpos.each_sub(dec_visitor{});
 1812|  8.54k|            return merger.finish();
 1813|  8.54k|        }
 1814|  8.54k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  8.54k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  2.78k|    {
 1959|  2.78k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  2.78k|    }
_ZNO5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7realizeEv:
 1527|  1.44M|    {
 1528|  1.44M|        if (count_ > 1) {
  ------------------
  |  Branch (1528:13): [True: 81.3k, False: 1.36M]
  ------------------
 1529|  81.3k|            IMMER_TRY {
  ------------------
  |  |   49|  81.3k|#define IMMER_TRY try
  ------------------
 1530|  81.3k|                auto result = node_t::make_inner_r_n(count_);
 1531|  81.3k|                auto r      = result->relaxed();
 1532|  81.3k|                r->d.count  = count_;
 1533|  81.3k|                std::copy(nodes_, nodes_ + count_, result->inner());
 1534|  81.3k|                std::copy(sizes_, sizes_ + count_, r->d.sizes);
 1535|  81.3k|                return {result, shift_, r};
 1536|  81.3k|            }
 1537|  81.3k|            IMMER_CATCH (...) {
 1538|      0|                each_sub(dec_visitor{});
 1539|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1540|      0|            }
 1541|  1.36M|        } else {
 1542|  1.36M|            assert(shift_ >= B + BL);
  ------------------
  |  Branch (1542:13): [True: 1.36M, False: 0]
  ------------------
 1543|  1.36M|            return {nodes_[0], shift_ - B, nodes_[0]->relaxed()};
 1544|  1.36M|        }
 1545|  1.44M|    }
_ZN5immer6detail4rbts12concat_treesINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jmSG_jSG_jm:
 1986|  1.43M|{
 1987|  1.43M|    return visit_maybe_relaxed_sub(lroot,
 1988|  1.43M|                                   lshift,
 1989|  1.43M|                                   lsize,
 1990|  1.43M|                                   concat_trees_left_visitor<Node>{},
 1991|  1.43M|                                   make_leaf_pos(ltail, ltcount),
 1992|  1.43M|                                   rroot,
 1993|  1.43M|                                   rshift,
 1994|  1.43M|                                   rsize)
 1995|  1.43M|        .realize();
 1996|  1.43M|}
_ZN5immer6detail4rbts25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EENS1_8leaf_posISC_EEJRPSC_RjRmEEENS1_17concat_center_posISC_EEOT_OT0_DpOT1_:
 1971|  1.40M|    {
 1972|  1.40M|        return visit_maybe_relaxed_sub(
 1973|  1.40M|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  1.40M|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  1.39M|    {
 1959|  1.39M|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  1.39M|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  16.4M|{
 1873|  16.4M|    auto lshift = lpos.shift();
 1874|  16.4M|    auto rshift = rpos.shift();
 1875|  16.4M|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 3.97M, False: 12.4M]
  ------------------
 1876|  3.97M|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  3.97M|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  12.4M|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 99.3k, False: 12.3M]
  ------------------
 1879|  99.3k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  99.3k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  12.3M|    } else {
 1882|  12.3M|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 12.3M, False: 0]
  ------------------
 1883|  12.3M|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 12.3M]
  |  Branch (1883:9): [True: 12.3M, False: 0]
  |  Branch (1883:9): [True: 12.3M, False: 0]
  ------------------
 1884|  12.3M|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  12.3M|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  12.3M|    }
 1887|  16.4M|}
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  3.97M|    {
 1898|  3.97M|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  3.97M|    }
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  4.98k|    {
 1898|  4.98k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  4.98k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  1.11M|{
 1873|  1.11M|    auto lshift = lpos.shift();
 1874|  1.11M|    auto rshift = rpos.shift();
 1875|  1.11M|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 2.84k, False: 1.11M]
  ------------------
 1876|  2.84k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  2.84k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  1.11M|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 7.00k, False: 1.10M]
  ------------------
 1879|  7.00k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  7.00k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  1.10M|    } else {
 1882|  1.10M|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 1.10M, False: 0]
  ------------------
 1883|  1.10M|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 1.10M]
  |  Branch (1883:9): [True: 1.10M, False: 0]
  |  Branch (1883:9): [True: 1.10M, False: 0]
  ------------------
 1884|  1.10M|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  1.10M|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  1.10M|    }
 1887|  1.11M|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EENS1_12null_sub_posEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  4.65k|{
 1824|  4.65k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  4.65k|    plan.fill(lpos, cpos, rpos);
 1826|  4.65k|    plan.shuffle(cpos.shift());
 1827|  4.65k|    IMMER_TRY {
  ------------------
  |  |   49|  4.65k|#define IMMER_TRY try
  ------------------
 1828|  4.65k|        return plan.merge(lpos, cpos, rpos);
 1829|  4.65k|    }
 1830|  4.65k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  4.65k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEEvOT_OT0_OT1_:
 1752|  4.65k|    {
 1753|  4.65k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 4.65k, False: 0]
  ------------------
 1754|  4.65k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 4.65k, False: 0]
  ------------------
 1755|  4.65k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  4.65k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  4.65k|        cpos.each_sub(visitor_t{}, *this);
 1758|  4.65k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  4.65k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  4.65k|    {
 1803|  4.65k|        using node_t    = node_type<CPos>;
 1804|  4.65k|        using merger_t  = concat_merger<node_t>;
 1805|  4.65k|        using visitor_t = concat_merger_visitor;
 1806|  4.65k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  4.65k|        IMMER_TRY {
  ------------------
  |  |   49|  4.65k|#define IMMER_TRY try
  ------------------
 1808|  4.65k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  4.65k|            cpos.each_sub(visitor_t{}, merger);
 1810|  4.65k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  4.65k|            cpos.each_sub(dec_visitor{});
 1812|  4.65k|            return merger.finish();
 1813|  4.65k|        }
 1814|  4.65k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  4.65k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  1.10M|    {
 1918|  1.10M|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  1.10M|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|   348k|    {
 1918|   348k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|   348k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|   368k|{
 1873|   368k|    auto lshift = lpos.shift();
 1874|   368k|    auto rshift = rpos.shift();
 1875|   368k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 1.81k, False: 366k]
  ------------------
 1876|  1.81k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  1.81k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|   366k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 709, False: 365k]
  ------------------
 1879|    709|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    709|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|   365k|    } else {
 1882|   365k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 365k, False: 0]
  ------------------
 1883|   365k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 365k]
  |  Branch (1883:9): [True: 365k, False: 0]
  |  Branch (1883:9): [True: 365k, False: 0]
  ------------------
 1884|   365k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|   365k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|   365k|    }
 1887|   368k|}
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  2.59k|    {
 1898|  2.59k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  2.59k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_8full_posISC_EERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  36.1k|    {
 1918|  36.1k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  36.1k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  36.1k|{
 1873|  36.1k|    auto lshift = lpos.shift();
 1874|  36.1k|    auto rshift = rpos.shift();
 1875|  36.1k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 36.1k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  36.1k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 238, False: 35.9k]
  ------------------
 1879|    238|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    238|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  35.9k|    } else {
 1882|  35.9k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 35.9k, False: 0]
  ------------------
 1883|  35.9k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 35.9k]
  |  Branch (1883:9): [True: 35.9k, False: 0]
  |  Branch (1883:9): [True: 35.9k, False: 0]
  ------------------
 1884|  35.9k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  35.9k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  35.9k|    }
 1887|  36.1k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  20.8k|    {
 1945|  20.8k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  20.8k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|   384k|    {
 1925|   384k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|   384k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_13full_leaf_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|   384k|{
 1839|   384k|    static_assert(Node::bits >= 2, "");
 1840|   384k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 384k, False: 0]
  ------------------
 1841|   384k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 384k, False: 0]
  ------------------
 1842|   384k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 384k, False: 0]
  ------------------
 1843|   384k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 384k, False: 0]
  ------------------
 1844|   384k|        return {
 1845|   384k|            Node::bits_leaf,
 1846|   384k|            lpos.node()->inc(),
 1847|   384k|            lpos.count(),
 1848|   384k|            tpos.node()->inc(),
 1849|   384k|            tpos.count(),
 1850|   384k|            rpos.node()->inc(),
 1851|   384k|            rpos.count(),
 1852|   384k|        };
 1853|      0|    else
 1854|      0|        return {
 1855|      0|            Node::bits_leaf,
 1856|      0|            lpos.node()->inc(),
 1857|      0|            lpos.count(),
 1858|      0|            rpos.node()->inc(),
 1859|      0|            rpos.count(),
 1860|      0|        };
 1861|   384k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  18.4k|    {
 1938|  18.4k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  18.4k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  35.9k|{
 1824|  35.9k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  35.9k|    plan.fill(lpos, cpos, rpos);
 1826|  35.9k|    plan.shuffle(cpos.shift());
 1827|  35.9k|    IMMER_TRY {
  ------------------
  |  |   49|  35.9k|#define IMMER_TRY try
  ------------------
 1828|  35.9k|        return plan.merge(lpos, cpos, rpos);
 1829|  35.9k|    }
 1830|  35.9k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  35.9k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEEvOT_OT0_OT1_:
 1752|  35.9k|    {
 1753|  35.9k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 35.9k, False: 0]
  ------------------
 1754|  35.9k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 35.9k, False: 0]
  ------------------
 1755|  35.9k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  35.9k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  35.9k|        cpos.each_sub(visitor_t{}, *this);
 1758|  35.9k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  35.9k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  35.9k|    {
 1803|  35.9k|        using node_t    = node_type<CPos>;
 1804|  35.9k|        using merger_t  = concat_merger<node_t>;
 1805|  35.9k|        using visitor_t = concat_merger_visitor;
 1806|  35.9k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  35.9k|        IMMER_TRY {
  ------------------
  |  |   49|  35.9k|#define IMMER_TRY try
  ------------------
 1808|  35.9k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  35.9k|            cpos.each_sub(visitor_t{}, merger);
 1810|  35.9k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  35.9k|            cpos.each_sub(dec_visitor{});
 1812|  35.9k|            return merger.finish();
 1813|  35.9k|        }
 1814|  35.9k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  35.9k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|   363k|    {
 1945|   363k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|   363k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|  1.04M|    {
 1925|  1.04M|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  1.04M|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|  1.04M|{
 1839|  1.04M|    static_assert(Node::bits >= 2, "");
 1840|  1.04M|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 1.04M, False: 0]
  ------------------
 1841|  1.04M|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 1.04M, False: 0]
  ------------------
 1842|  1.04M|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 1.04M, False: 0]
  ------------------
 1843|  1.04M|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 1.04M, False: 0]
  ------------------
 1844|  1.04M|        return {
 1845|  1.04M|            Node::bits_leaf,
 1846|  1.04M|            lpos.node()->inc(),
 1847|  1.04M|            lpos.count(),
 1848|  1.04M|            tpos.node()->inc(),
 1849|  1.04M|            tpos.count(),
 1850|  1.04M|            rpos.node()->inc(),
 1851|  1.04M|            rpos.count(),
 1852|  1.04M|        };
 1853|      0|    else
 1854|      0|        return {
 1855|      0|            Node::bits_leaf,
 1856|      0|            lpos.node()->inc(),
 1857|      0|            lpos.count(),
 1858|      0|            rpos.node()->inc(),
 1859|      0|            rpos.count(),
 1860|      0|        };
 1861|  1.04M|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  16.7k|    {
 1938|  16.7k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  16.7k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EESF_EENSG_IT_EEOT0_OT1_OT2_:
 1823|   365k|{
 1824|   365k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|   365k|    plan.fill(lpos, cpos, rpos);
 1826|   365k|    plan.shuffle(cpos.shift());
 1827|   365k|    IMMER_TRY {
  ------------------
  |  |   49|   365k|#define IMMER_TRY try
  ------------------
 1828|   365k|        return plan.merge(lpos, cpos, rpos);
 1829|   365k|    }
 1830|   365k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|   365k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EEvOT_OT0_OT1_:
 1752|   365k|    {
 1753|   365k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 365k, False: 0]
  ------------------
 1754|   365k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 365k, False: 0]
  ------------------
 1755|   365k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|   365k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|   365k|        cpos.each_sub(visitor_t{}, *this);
 1758|   365k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|   365k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSN_OT1_:
 1802|   365k|    {
 1803|   365k|        using node_t    = node_type<CPos>;
 1804|   365k|        using merger_t  = concat_merger<node_t>;
 1805|   365k|        using visitor_t = concat_merger_visitor;
 1806|   365k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|   365k|        IMMER_TRY {
  ------------------
  |  |   49|   365k|#define IMMER_TRY try
  ------------------
 1808|   365k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|   365k|            cpos.each_sub(visitor_t{}, merger);
 1810|   365k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|   365k|            cpos.each_sub(dec_visitor{});
 1812|   365k|            return merger.finish();
 1813|   365k|        }
 1814|   365k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|   365k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  1.04M|    {
 1945|  1.04M|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  1.04M|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  1.44M|    {
 1938|  1.44M|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  1.44M|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_11relaxed_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  1.10M|{
 1824|  1.10M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.10M|    plan.fill(lpos, cpos, rpos);
 1826|  1.10M|    plan.shuffle(cpos.shift());
 1827|  1.10M|    IMMER_TRY {
  ------------------
  |  |   49|  1.10M|#define IMMER_TRY try
  ------------------
 1828|  1.10M|        return plan.merge(lpos, cpos, rpos);
 1829|  1.10M|    }
 1830|  1.10M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.10M|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEEvOT_OT0_OT1_:
 1752|  1.10M|    {
 1753|  1.10M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.10M, False: 0]
  ------------------
 1754|  1.10M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.10M, False: 0]
  ------------------
 1755|  1.10M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.10M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.10M|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.10M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.10M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  1.10M|    {
 1803|  1.10M|        using node_t    = node_type<CPos>;
 1804|  1.10M|        using merger_t  = concat_merger<node_t>;
 1805|  1.10M|        using visitor_t = concat_merger_visitor;
 1806|  1.10M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.10M|        IMMER_TRY {
  ------------------
  |  |   49|  1.10M|#define IMMER_TRY try
  ------------------
 1808|  1.10M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.10M|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.10M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.10M|            cpos.each_sub(dec_visitor{});
 1812|  1.10M|            return merger.finish();
 1813|  1.10M|        }
 1814|  1.10M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.10M|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EENS1_12null_sub_posEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  4.01M|{
 1824|  4.01M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  4.01M|    plan.fill(lpos, cpos, rpos);
 1826|  4.01M|    plan.shuffle(cpos.shift());
 1827|  4.01M|    IMMER_TRY {
  ------------------
  |  |   49|  4.01M|#define IMMER_TRY try
  ------------------
 1828|  4.01M|        return plan.merge(lpos, cpos, rpos);
 1829|  4.01M|    }
 1830|  4.01M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  4.01M|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEEvOT_OT0_OT1_:
 1752|  4.01M|    {
 1753|  4.01M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 4.01M, False: 0]
  ------------------
 1754|  4.01M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 4.01M, False: 0]
  ------------------
 1755|  4.01M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  4.01M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  4.01M|        cpos.each_sub(visitor_t{}, *this);
 1758|  4.01M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  4.01M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  4.01M|    {
 1803|  4.01M|        using node_t    = node_type<CPos>;
 1804|  4.01M|        using merger_t  = concat_merger<node_t>;
 1805|  4.01M|        using visitor_t = concat_merger_visitor;
 1806|  4.01M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  4.01M|        IMMER_TRY {
  ------------------
  |  |   49|  4.01M|#define IMMER_TRY try
  ------------------
 1808|  4.01M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  4.01M|            cpos.each_sub(visitor_t{}, merger);
 1810|  4.01M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  4.01M|            cpos.each_sub(dec_visitor{});
 1812|  4.01M|            return merger.finish();
 1813|  4.01M|        }
 1814|  4.01M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  4.01M|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  11.0M|    {
 1918|  11.0M|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  11.0M|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  3.17k|    {
 1918|  3.17k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  3.17k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  51.8k|{
 1873|  51.8k|    auto lshift = lpos.shift();
 1874|  51.8k|    auto rshift = rpos.shift();
 1875|  51.8k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 34.4k, False: 17.3k]
  ------------------
 1876|  34.4k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  34.4k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  34.4k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 462, False: 16.9k]
  ------------------
 1879|    462|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    462|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  16.9k|    } else {
 1882|  16.9k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 16.9k, False: 0]
  ------------------
 1883|  16.9k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 16.9k]
  |  Branch (1883:9): [True: 16.9k, False: 0]
  |  Branch (1883:9): [True: 16.9k, False: 0]
  ------------------
 1884|  16.9k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  16.9k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  16.9k|    }
 1887|  51.8k|}
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  33.6k|    {
 1898|  33.6k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  33.6k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_8full_posISC_EERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  3.79k|    {
 1918|  3.79k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  3.79k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  3.79k|{
 1873|  3.79k|    auto lshift = lpos.shift();
 1874|  3.79k|    auto rshift = rpos.shift();
 1875|  3.79k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 3.79k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  3.79k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 198, False: 3.59k]
  ------------------
 1879|    198|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    198|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  3.59k|    } else {
 1882|  3.59k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 3.59k, False: 0]
  ------------------
 1883|  3.59k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 3.59k]
  |  Branch (1883:9): [True: 3.59k, False: 0]
  |  Branch (1883:9): [True: 3.59k, False: 0]
  ------------------
 1884|  3.59k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  3.59k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  3.59k|    }
 1887|  3.79k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|    223|    {
 1938|    223|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|    223|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  3.59k|{
 1824|  3.59k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  3.59k|    plan.fill(lpos, cpos, rpos);
 1826|  3.59k|    plan.shuffle(cpos.shift());
 1827|  3.59k|    IMMER_TRY {
  ------------------
  |  |   49|  3.59k|#define IMMER_TRY try
  ------------------
 1828|  3.59k|        return plan.merge(lpos, cpos, rpos);
 1829|  3.59k|    }
 1830|  3.59k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  3.59k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEEvOT_OT0_OT1_:
 1752|  3.59k|    {
 1753|  3.59k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 3.59k, False: 0]
  ------------------
 1754|  3.59k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 3.59k, False: 0]
  ------------------
 1755|  3.59k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  3.59k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  3.59k|        cpos.each_sub(visitor_t{}, *this);
 1758|  3.59k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  3.59k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  3.59k|    {
 1803|  3.59k|        using node_t    = node_type<CPos>;
 1804|  3.59k|        using merger_t  = concat_merger<node_t>;
 1805|  3.59k|        using visitor_t = concat_merger_visitor;
 1806|  3.59k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  3.59k|        IMMER_TRY {
  ------------------
  |  |   49|  3.59k|#define IMMER_TRY try
  ------------------
 1808|  3.59k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  3.59k|            cpos.each_sub(visitor_t{}, merger);
 1810|  3.59k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  3.59k|            cpos.each_sub(dec_visitor{});
 1812|  3.59k|            return merger.finish();
 1813|  3.59k|        }
 1814|  3.59k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  3.59k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  2.91k|    {
 1938|  2.91k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  2.91k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EERNS1_15regular_sub_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  16.9k|{
 1824|  16.9k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  16.9k|    plan.fill(lpos, cpos, rpos);
 1826|  16.9k|    plan.shuffle(cpos.shift());
 1827|  16.9k|    IMMER_TRY {
  ------------------
  |  |   49|  16.9k|#define IMMER_TRY try
  ------------------
 1828|  16.9k|        return plan.merge(lpos, cpos, rpos);
 1829|  16.9k|    }
 1830|  16.9k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  16.9k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEEvOT_OT0_OT1_:
 1752|  16.9k|    {
 1753|  16.9k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 16.9k, False: 0]
  ------------------
 1754|  16.9k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 16.9k, False: 0]
  ------------------
 1755|  16.9k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  16.9k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  16.9k|        cpos.each_sub(visitor_t{}, *this);
 1758|  16.9k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  16.9k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  16.9k|    {
 1803|  16.9k|        using node_t    = node_type<CPos>;
 1804|  16.9k|        using merger_t  = concat_merger<node_t>;
 1805|  16.9k|        using visitor_t = concat_merger_visitor;
 1806|  16.9k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  16.9k|        IMMER_TRY {
  ------------------
  |  |   49|  16.9k|#define IMMER_TRY try
  ------------------
 1808|  16.9k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  16.9k|            cpos.each_sub(visitor_t{}, merger);
 1810|  16.9k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  16.9k|            cpos.each_sub(dec_visitor{});
 1812|  16.9k|            return merger.finish();
 1813|  16.9k|        }
 1814|  16.9k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  16.9k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  10.9M|    {
 1938|  10.9M|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  10.9M|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EESF_EENSG_IT_EEOT0_OT1_OT2_:
 1823|  12.3M|{
 1824|  12.3M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  12.3M|    plan.fill(lpos, cpos, rpos);
 1826|  12.3M|    plan.shuffle(cpos.shift());
 1827|  12.3M|    IMMER_TRY {
  ------------------
  |  |   49|  12.3M|#define IMMER_TRY try
  ------------------
 1828|  12.3M|        return plan.merge(lpos, cpos, rpos);
 1829|  12.3M|    }
 1830|  12.3M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  12.3M|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EEvOT_OT0_OT1_:
 1752|  12.3M|    {
 1753|  12.3M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 12.3M, False: 0]
  ------------------
 1754|  12.3M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 12.3M, False: 0]
  ------------------
 1755|  12.3M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  12.3M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  12.3M|        cpos.each_sub(visitor_t{}, *this);
 1758|  12.3M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  12.3M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSN_OT1_:
 1802|  12.3M|    {
 1803|  12.3M|        using node_t    = node_type<CPos>;
 1804|  12.3M|        using merger_t  = concat_merger<node_t>;
 1805|  12.3M|        using visitor_t = concat_merger_visitor;
 1806|  12.3M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  12.3M|        IMMER_TRY {
  ------------------
  |  |   49|  12.3M|#define IMMER_TRY try
  ------------------
 1808|  12.3M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  12.3M|            cpos.each_sub(visitor_t{}, merger);
 1810|  12.3M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  12.3M|            cpos.each_sub(dec_visitor{});
 1812|  12.3M|            return merger.finish();
 1813|  12.3M|        }
 1814|  12.3M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  12.3M|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  15.0k|    {
 1959|  15.0k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  15.0k|    }
_ZN5immer6detail4rbts25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EENS1_8leaf_posISC_EEJRPSC_RjRmEEENS1_17concat_center_posISC_EEOT_OT0_DpOT1_:
 1971|  24.3k|    {
 1972|  24.3k|        return visit_maybe_relaxed_sub(
 1973|  24.3k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  24.3k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  6.67k|    {
 1959|  6.67k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  6.67k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  17.6k|    {
 1959|  17.6k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  17.6k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEEPSC_OT_NSA_5applyIS7_E4type4editESI_j:
  680|   207k|    {
  681|   207k|        auto node     = pos.node();
  682|   207k|        auto level    = pos.shift();
  683|   207k|        auto idx      = pos.count() - 1;
  684|   207k|        auto children = pos.size(idx);
  685|   207k|        auto new_idx =
  686|   207k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (686:13): [True: 3.78k, False: 203k]
  |  Branch (686:47): [True: 270, False: 203k]
  ------------------
  687|   207k|        auto new_child = static_cast<node_t*>(nullptr);
  688|   207k|        auto mutate    = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (688:26): [True: 207k, Folded]
  |  Branch (688:38): [True: 204k, False: 2.49k]
  ------------------
  689|       |
  690|   207k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (690:13): [True: 1.71k, False: 205k]
  ------------------
  691|  1.71k|            return nullptr;
  692|   205k|        else if (idx == new_idx) {
  ------------------
  |  Branch (692:18): [True: 203k, False: 2.33k]
  ------------------
  693|   203k|            new_child =
  694|   203k|                mutate ? pos.last_oh_csh(this_t{}, idx, children, e, tail, ts)
  ------------------
  |  Branch (694:17): [True: 201k, False: 1.81k]
  ------------------
  695|   203k|                       : pos.last_oh_csh(
  696|  1.81k|                             this_no_mut_t{}, idx, children, e, tail, ts);
  697|   203k|            if (!new_child) {
  ------------------
  |  Branch (697:17): [True: 2.10k, False: 201k]
  ------------------
  698|  2.10k|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (698:21): [True: 618, False: 1.48k]
  ------------------
  699|    618|                    new_child = node_t::make_path_e(e, level - B, tail);
  700|  1.48k|                else
  701|  1.48k|                    return nullptr;
  702|  2.10k|            }
  703|   203k|        } else
  704|  2.33k|            new_child = node_t::make_path_e(e, level - B, tail);
  705|       |
  706|   204k|        if (mutate) {
  ------------------
  |  Branch (706:13): [True: 202k, False: 1.89k]
  ------------------
  707|   202k|            auto count             = new_idx + 1;
  708|   202k|            auto relaxed           = node->ensure_mutable_relaxed_n(e, new_idx);
  709|   202k|            node->inner()[new_idx] = new_child;
  710|   202k|            relaxed->d.sizes[new_idx] = pos.size() + ts;
  711|   202k|            relaxed->d.count          = count;
  712|   202k|            assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (712:13): [True: 202k, False: 0]
  ------------------
  713|   202k|            return node;
  714|   202k|        } else {
  715|  1.89k|            IMMER_TRY {
  ------------------
  |  |   49|  1.89k|#define IMMER_TRY try
  ------------------
  716|  1.89k|                auto count    = new_idx + 1;
  717|  1.89k|                auto new_node = node_t::copy_inner_r_e(e, pos.node(), new_idx);
  718|  1.89k|                auto relaxed  = new_node->relaxed();
  719|  1.89k|                new_node->inner()[new_idx] = new_child;
  720|  1.89k|                relaxed->d.sizes[new_idx]  = pos.size() + ts;
  721|  1.89k|                relaxed->d.count           = count;
  722|  1.89k|                assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (722:17): [True: 1.89k, False: 0]
  ------------------
  723|  1.89k|                if (Mutating)
  ------------------
  |  Branch (723:21): [True: 1.89k, Folded]
  ------------------
  724|  1.89k|                    pos.visit(dec_visitor{});
  725|  1.89k|                return new_node;
  726|  1.89k|            }
  727|  1.89k|            IMMER_CATCH (...) {
  728|      0|                auto shift = pos.shift();
  729|      0|                auto size  = new_idx == idx ? children + ts : ts;
  ------------------
  |  Branch (729:30): [True: 0, False: 0]
  ------------------
  730|      0|                if (shift > BL) {
  ------------------
  |  Branch (730:21): [True: 0, False: 0]
  ------------------
  731|      0|                    tail->inc();
  732|      0|                    dec_inner(new_child, shift - B, size);
  733|      0|                }
  734|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  735|      0|            }
  736|  1.89k|        }
  737|   204k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEJRjEEEPSC_OT_NSA_5applyIS7_E4type4editESJ_DpOT0_:
  741|   163k|    {
  742|   163k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 163k, False: 0]
  ------------------
  743|   163k|        auto node    = pos.node();
  744|   163k|        auto idx     = pos.index(pos.size() - 1);
  745|   163k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|   163k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 163k, Folded]
  |  Branch (746:36): [True: 163k, False: 596]
  ------------------
  747|   163k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 163k, False: 596]
  ------------------
  748|   163k|            node->inner()[new_idx] =
  749|   163k|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 160k, False: 2.49k]
  ------------------
  750|       |                               /* otherwise */
  751|   163k|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|   163k|            return node;
  753|   163k|        } else {
  754|    596|            auto new_parent = node_t::make_inner_e(e);
  755|    596|            IMMER_TRY {
  ------------------
  |  |   49|    596|#define IMMER_TRY try
  ------------------
  756|    596|                new_parent->inner()[new_idx] =
  757|    596|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 292, False: 304]
  ------------------
  758|    596|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|    596|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|    596|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|    596|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 596, Folded]
  ------------------
  763|    596|                    pos.visit(dec_visitor{});
  764|    596|                return new_parent;
  765|    596|            }
  766|    596|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|    596|        }
  771|   163k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_11regular_posISC_EEJEEEPSC_OT_NSA_5applyIS7_E4type4editESI_DpOT0_:
  741|  1.52M|    {
  742|  1.52M|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 1.52M, False: 0]
  ------------------
  743|  1.52M|        auto node    = pos.node();
  744|  1.52M|        auto idx     = pos.index(pos.size() - 1);
  745|  1.52M|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  1.52M|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 1.52M, Folded]
  |  Branch (746:36): [True: 1.51M, False: 2.04k]
  ------------------
  747|  1.52M|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 1.51M, False: 2.04k]
  ------------------
  748|  1.51M|            node->inner()[new_idx] =
  749|  1.51M|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 1.21M, False: 304k]
  ------------------
  750|       |                               /* otherwise */
  751|  1.51M|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|  1.51M|            return node;
  753|  1.51M|        } else {
  754|  2.04k|            auto new_parent = node_t::make_inner_e(e);
  755|  2.04k|            IMMER_TRY {
  ------------------
  |  |   49|  2.04k|#define IMMER_TRY try
  ------------------
  756|  2.04k|                new_parent->inner()[new_idx] =
  757|  2.04k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 1.22k, False: 826]
  ------------------
  758|  2.04k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  2.04k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  2.04k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  2.04k|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 2.04k, Folded]
  ------------------
  763|  2.04k|                    pos.visit(dec_visitor{});
  764|  2.04k|                return new_parent;
  765|  2.04k|            }
  766|  2.04k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  2.04k|        }
  771|  1.52M|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_11regular_posISC_EEJEEEPSC_OT_NSA_5applyIS7_E4type4editESI_DpOT0_:
  741|  3.34k|    {
  742|  3.34k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 3.34k, False: 0]
  ------------------
  743|  3.34k|        auto node    = pos.node();
  744|  3.34k|        auto idx     = pos.index(pos.size() - 1);
  745|  3.34k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  3.34k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [Folded, False: 3.34k]
  |  Branch (746:36): [True: 0, False: 0]
  ------------------
  747|  3.34k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 0, False: 3.34k]
  ------------------
  748|      0|            node->inner()[new_idx] =
  749|      0|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 0, False: 0]
  ------------------
  750|       |                               /* otherwise */
  751|      0|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|      0|            return node;
  753|  3.34k|        } else {
  754|  3.34k|            auto new_parent = node_t::make_inner_e(e);
  755|  3.34k|            IMMER_TRY {
  ------------------
  |  |   49|  3.34k|#define IMMER_TRY try
  ------------------
  756|  3.34k|                new_parent->inner()[new_idx] =
  757|  3.34k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 1.01k, False: 2.33k]
  ------------------
  758|  3.34k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  3.34k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  3.34k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  3.34k|                if (Mutating)
  ------------------
  |  Branch (762:21): [Folded, False: 3.34k]
  ------------------
  763|      0|                    pos.visit(dec_visitor{});
  764|  3.34k|                return new_parent;
  765|  3.34k|            }
  766|  3.34k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  3.34k|        }
  771|  3.34k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEEPSC_OT_NSA_5applyIS7_E4type4editESI_j:
  680|  4.65k|    {
  681|  4.65k|        auto node     = pos.node();
  682|  4.65k|        auto level    = pos.shift();
  683|  4.65k|        auto idx      = pos.count() - 1;
  684|  4.65k|        auto children = pos.size(idx);
  685|  4.65k|        auto new_idx =
  686|  4.65k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (686:13): [True: 940, False: 3.71k]
  |  Branch (686:47): [True: 195, False: 3.51k]
  ------------------
  687|  4.65k|        auto new_child = static_cast<node_t*>(nullptr);
  688|  4.65k|        auto mutate    = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (688:26): [Folded, False: 4.65k]
  |  Branch (688:38): [True: 0, False: 0]
  ------------------
  689|       |
  690|  4.65k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (690:13): [True: 348, False: 4.30k]
  ------------------
  691|    348|            return nullptr;
  692|  4.30k|        else if (idx == new_idx) {
  ------------------
  |  Branch (692:18): [True: 3.51k, False: 787]
  ------------------
  693|  3.51k|            new_child =
  694|  3.51k|                mutate ? pos.last_oh_csh(this_t{}, idx, children, e, tail, ts)
  ------------------
  |  Branch (694:17): [True: 0, False: 3.51k]
  ------------------
  695|  3.51k|                       : pos.last_oh_csh(
  696|  3.51k|                             this_no_mut_t{}, idx, children, e, tail, ts);
  697|  3.51k|            if (!new_child) {
  ------------------
  |  Branch (697:17): [True: 660, False: 2.85k]
  ------------------
  698|    660|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (698:21): [True: 209, False: 451]
  ------------------
  699|    209|                    new_child = node_t::make_path_e(e, level - B, tail);
  700|    451|                else
  701|    451|                    return nullptr;
  702|    660|            }
  703|  3.51k|        } else
  704|    787|            new_child = node_t::make_path_e(e, level - B, tail);
  705|       |
  706|  3.85k|        if (mutate) {
  ------------------
  |  Branch (706:13): [True: 0, False: 3.85k]
  ------------------
  707|      0|            auto count             = new_idx + 1;
  708|      0|            auto relaxed           = node->ensure_mutable_relaxed_n(e, new_idx);
  709|      0|            node->inner()[new_idx] = new_child;
  710|      0|            relaxed->d.sizes[new_idx] = pos.size() + ts;
  711|      0|            relaxed->d.count          = count;
  712|      0|            assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (712:13): [True: 0, False: 0]
  ------------------
  713|      0|            return node;
  714|  3.85k|        } else {
  715|  3.85k|            IMMER_TRY {
  ------------------
  |  |   49|  3.85k|#define IMMER_TRY try
  ------------------
  716|  3.85k|                auto count    = new_idx + 1;
  717|  3.85k|                auto new_node = node_t::copy_inner_r_e(e, pos.node(), new_idx);
  718|  3.85k|                auto relaxed  = new_node->relaxed();
  719|  3.85k|                new_node->inner()[new_idx] = new_child;
  720|  3.85k|                relaxed->d.sizes[new_idx]  = pos.size() + ts;
  721|  3.85k|                relaxed->d.count           = count;
  722|  3.85k|                assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (722:17): [True: 3.85k, False: 0]
  ------------------
  723|  3.85k|                if (Mutating)
  ------------------
  |  Branch (723:21): [Folded, False: 3.85k]
  ------------------
  724|      0|                    pos.visit(dec_visitor{});
  725|  3.85k|                return new_node;
  726|  3.85k|            }
  727|  3.85k|            IMMER_CATCH (...) {
  728|      0|                auto shift = pos.shift();
  729|      0|                auto size  = new_idx == idx ? children + ts : ts;
  ------------------
  |  Branch (729:30): [True: 0, False: 0]
  ------------------
  730|      0|                if (shift > BL) {
  ------------------
  |  Branch (730:21): [True: 0, False: 0]
  ------------------
  731|      0|                    tail->inc();
  732|      0|                    dec_inner(new_child, shift - B, size);
  733|      0|                }
  734|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  735|      0|            }
  736|  3.85k|        }
  737|  3.85k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEJRjEEEPSC_OT_NSA_5applyIS7_E4type4editESJ_DpOT0_:
  741|    679|    {
  742|    679|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 679, False: 0]
  ------------------
  743|    679|        auto node    = pos.node();
  744|    679|        auto idx     = pos.index(pos.size() - 1);
  745|    679|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|    679|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [Folded, False: 679]
  |  Branch (746:36): [True: 0, False: 0]
  ------------------
  747|    679|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 0, False: 679]
  ------------------
  748|      0|            node->inner()[new_idx] =
  749|      0|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 0, False: 0]
  ------------------
  750|       |                               /* otherwise */
  751|      0|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|      0|            return node;
  753|    679|        } else {
  754|    679|            auto new_parent = node_t::make_inner_e(e);
  755|    679|            IMMER_TRY {
  ------------------
  |  |   49|    679|#define IMMER_TRY try
  ------------------
  756|    679|                new_parent->inner()[new_idx] =
  757|    679|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 410, False: 269]
  ------------------
  758|    679|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|    679|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|    679|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|    679|                if (Mutating)
  ------------------
  |  Branch (762:21): [Folded, False: 679]
  ------------------
  763|      0|                    pos.visit(dec_visitor{});
  764|    679|                return new_parent;
  765|    679|            }
  766|    679|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|    679|        }
  771|    679|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEJEEEPSC_OT_NSA_5applyIS7_E4type4editESI_DpOT0_:
  741|   153k|    {
  742|   153k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 153k, False: 0]
  ------------------
  743|   153k|        auto node    = pos.node();
  744|   153k|        auto idx     = pos.index(pos.size() - 1);
  745|   153k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|   153k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 153k, Folded]
  |  Branch (746:36): [True: 152k, False: 694]
  ------------------
  747|   153k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 152k, False: 694]
  ------------------
  748|   152k|            node->inner()[new_idx] =
  749|   152k|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 145k, False: 7.48k]
  ------------------
  750|       |                               /* otherwise */
  751|   152k|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|   152k|            return node;
  753|   152k|        } else {
  754|    694|            auto new_parent = node_t::make_inner_e(e);
  755|    694|            IMMER_TRY {
  ------------------
  |  |   49|    694|#define IMMER_TRY try
  ------------------
  756|    694|                new_parent->inner()[new_idx] =
  757|    694|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 405, False: 289]
  ------------------
  758|    694|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|    694|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|    694|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|    694|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 694, Folded]
  ------------------
  763|    694|                    pos.visit(dec_visitor{});
  764|    694|                return new_parent;
  765|    694|            }
  766|    694|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|    694|        }
  771|   153k|    }
_ZN5immer6detail4rbts17dec_empty_regularINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEvPT_:
  580|  1.95k|{
  581|  1.95k|    make_empty_regular_pos(node).visit(dec_visitor());
  582|  1.95k|}
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  595|  62.9k|    {
  596|  62.9k|        auto offset = pos.index(idx);
  597|  62.9k|        auto count  = pos.count();
  598|  62.9k|        auto node   = pos.node();
  599|  62.9k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (599:13): [True: 43.1k, False: 19.8k]
  ------------------
  600|  43.1k|            return pos.towards_oh(
  601|  43.1k|                this_t{}, idx, offset, e, &node->inner()[offset]);
  602|  43.1k|        } else {
  603|  19.8k|            auto new_node = node_t::copy_inner_sr_e(e, node, count);
  604|  19.8k|            IMMER_TRY {
  ------------------
  |  |   49|  19.8k|#define IMMER_TRY try
  ------------------
  605|  19.8k|                auto& res = pos.towards_oh(
  606|  19.8k|                    this_t{}, idx, offset, e, &new_node->inner()[offset]);
  607|  19.8k|                pos.visit(dec_visitor{});
  608|  19.8k|                *location = new_node;
  609|  19.8k|                return res;
  610|  19.8k|            }
  611|  19.8k|            IMMER_CATCH (...) {
  612|      0|                dec_relaxed(new_node, pos.shift());
  613|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  614|      0|            }
  615|  19.8k|        }
  616|  62.9k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  652|  10.2k|    {
  653|  10.2k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 10.2k, False: 0]
  ------------------
  654|  10.2k|        auto node = pos.node();
  655|  10.2k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 833, False: 9.40k]
  ------------------
  656|    833|            return node->leaf()[pos.index(idx)];
  657|  9.40k|        } else {
  658|  9.40k|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|  9.40k|            pos.visit(dec_visitor{});
  660|  9.40k|            *location = new_node;
  661|  9.40k|            return new_node->leaf()[pos.index(idx)];
  662|  9.40k|        }
  663|  10.2k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  621|  4.64k|    {
  622|  4.64k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 4.64k, False: 0]
  ------------------
  623|  4.64k|        auto offset = pos.index(idx);
  624|  4.64k|        auto count  = pos.count();
  625|  4.64k|        auto node   = pos.node();
  626|  4.64k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 2.35k, False: 2.29k]
  ------------------
  627|  2.35k|            return pos.towards_oh_ch(
  628|  2.35k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  2.35k|        } else {
  630|  2.29k|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|  2.29k|            IMMER_TRY {
  ------------------
  |  |   49|  2.29k|#define IMMER_TRY try
  ------------------
  632|  2.29k|                auto& res = pos.towards_oh_ch(this_t{},
  633|  2.29k|                                              idx,
  634|  2.29k|                                              offset,
  635|  2.29k|                                              count,
  636|  2.29k|                                              e,
  637|  2.29k|                                              &new_node->inner()[offset]);
  638|  2.29k|                pos.visit(dec_visitor{});
  639|  2.29k|                *location = new_node;
  640|  2.29k|                return res;
  641|  2.29k|            }
  642|  2.29k|            IMMER_CATCH (...) {
  643|      0|                dec_regular(new_node, pos.shift(), pos.size());
  644|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  645|      0|            }
  646|  2.29k|        }
  647|  4.64k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  652|  3.60k|    {
  653|  3.60k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 3.60k, False: 0]
  ------------------
  654|  3.60k|        auto node = pos.node();
  655|  3.60k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.29k, False: 2.31k]
  ------------------
  656|  1.29k|            return node->leaf()[pos.index(idx)];
  657|  2.31k|        } else {
  658|  2.31k|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|  2.31k|            pos.visit(dec_visitor{});
  660|  2.31k|            *location = new_node;
  661|  2.31k|            return new_node->leaf()[pos.index(idx)];
  662|  2.31k|        }
  663|  3.60k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_8full_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  621|  2.94k|    {
  622|  2.94k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 2.94k, False: 0]
  ------------------
  623|  2.94k|        auto offset = pos.index(idx);
  624|  2.94k|        auto count  = pos.count();
  625|  2.94k|        auto node   = pos.node();
  626|  2.94k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 963, False: 1.98k]
  ------------------
  627|    963|            return pos.towards_oh_ch(
  628|    963|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  1.98k|        } else {
  630|  1.98k|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|  1.98k|            IMMER_TRY {
  ------------------
  |  |   49|  1.98k|#define IMMER_TRY try
  ------------------
  632|  1.98k|                auto& res = pos.towards_oh_ch(this_t{},
  633|  1.98k|                                              idx,
  634|  1.98k|                                              offset,
  635|  1.98k|                                              count,
  636|  1.98k|                                              e,
  637|  1.98k|                                              &new_node->inner()[offset]);
  638|  1.98k|                pos.visit(dec_visitor{});
  639|  1.98k|                *location = new_node;
  640|  1.98k|                return res;
  641|  1.98k|            }
  642|  1.98k|            IMMER_CATCH (...) {
  643|      0|                dec_regular(new_node, pos.shift(), pos.size());
  644|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  645|      0|            }
  646|  1.98k|        }
  647|  2.94k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10visit_leafIRNS1_8leaf_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  652|  1.03k|    {
  653|  1.03k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 1.03k, False: 0]
  ------------------
  654|  1.03k|        auto node = pos.node();
  655|  1.03k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 691, False: 347]
  ------------------
  656|    691|            return node->leaf()[pos.index(idx)];
  657|    691|        } else {
  658|    347|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|    347|            pos.visit(dec_visitor{});
  660|    347|            *location = new_node;
  661|    347|            return new_node->leaf()[pos.index(idx)];
  662|    347|        }
  663|  1.03k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13visit_regularIRNS1_11regular_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  621|  2.49k|    {
  622|  2.49k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 2.49k, False: 0]
  ------------------
  623|  2.49k|        auto offset = pos.index(idx);
  624|  2.49k|        auto count  = pos.count();
  625|  2.49k|        auto node   = pos.node();
  626|  2.49k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 1.28k, False: 1.20k]
  ------------------
  627|  1.28k|            return pos.towards_oh_ch(
  628|  1.28k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  1.28k|        } else {
  630|  1.20k|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|  1.20k|            IMMER_TRY {
  ------------------
  |  |   49|  1.20k|#define IMMER_TRY try
  ------------------
  632|  1.20k|                auto& res = pos.towards_oh_ch(this_t{},
  633|  1.20k|                                              idx,
  634|  1.20k|                                              offset,
  635|  1.20k|                                              count,
  636|  1.20k|                                              e,
  637|  1.20k|                                              &new_node->inner()[offset]);
  638|  1.20k|                pos.visit(dec_visitor{});
  639|  1.20k|                *location = new_node;
  640|  1.20k|                return res;
  641|  1.20k|            }
  642|  1.20k|            IMMER_CATCH (...) {
  643|      0|                dec_regular(new_node, pos.shift(), pos.size());
  644|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  645|      0|            }
  646|  1.20k|        }
  647|  2.49k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  29.4k|    {
  914|  29.4k|        auto idx    = pos.index(last);
  915|  29.4k|        auto node   = pos.node();
  916|  29.4k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [True: 29.4k, Folded]
  |  Branch (916:35): [True: 20.7k, False: 8.62k]
  ------------------
  917|  29.4k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [True: 29.4k, Folded]
  |  Branch (917:25): [True: 15.9k, False: 13.4k]
  ------------------
  918|  15.9k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 11.2k, False: 4.68k]
  ------------------
  919|  15.9k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|  15.9k|            if (Mutating)
  ------------------
  |  Branch (920:17): [True: 15.9k, Folded]
  ------------------
  921|  15.9k|                pos.visit(dec_right_visitor{}, count_t{1});
  922|  15.9k|            return res;
  923|  15.9k|        } else {
  924|  13.4k|            using std::get;
  925|  13.4k|            auto subs =
  926|  13.4k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 9.49k, False: 3.94k]
  ------------------
  927|  13.4k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  13.4k|            auto next = get<1>(subs);
  929|  13.4k|            auto ts   = get<2>(subs);
  930|  13.4k|            auto tail = get<3>(subs);
  931|  13.4k|            IMMER_TRY {
  ------------------
  |  |   49|  13.4k|#define IMMER_TRY try
  ------------------
  932|  13.4k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 9.25k, False: 4.18k]
  ------------------
  933|  9.25k|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 6.36k, False: 2.88k]
  ------------------
  934|  6.36k|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|  6.36k|                        pos.each_right(dec_visitor{}, idx + 1);
  936|  6.36k|                        node->inner()[idx] = next;
  937|  6.36k|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|  6.36k|                        nodr->d.count      = idx + 1;
  939|  6.36k|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 6.36k, False: 0]
  ------------------
  940|  6.36k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|  6.36k|                    } else {
  942|  2.88k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|  2.88k|                        auto newr = newn->relaxed();
  944|  2.88k|                        newn->inner()[idx] = next;
  945|  2.88k|                        newr->d.sizes[idx] = last + 1 - ts;
  946|  2.88k|                        newr->d.count      = idx + 1;
  947|  2.88k|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 2.88k, False: 0]
  ------------------
  948|  2.88k|                        if (Mutating)
  ------------------
  |  Branch (948:29): [True: 2.88k, Folded]
  ------------------
  949|  2.88k|                            pos.visit(dec_visitor{});
  950|  2.88k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|  2.88k|                    }
  952|  9.25k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 0, False: 4.18k]
  ------------------
  953|      0|                    if (Mutating)
  ------------------
  |  Branch (953:25): [True: 0, Folded]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  4.18k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [True: 4.18k, Folded]
  |  Branch (956:40): [True: 3.39k, False: 787]
  |  Branch (956:52): [True: 2.48k, False: 908]
  ------------------
  957|  2.48k|                    auto newn = pos.node()->inner()[0];
  958|  2.48k|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 693, False: 1.79k]
  ------------------
  959|    693|                        newn->inc();
  960|  2.48k|                    if (Mutating)
  ------------------
  |  Branch (960:25): [True: 2.48k, Folded]
  ------------------
  961|  2.48k|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|  2.48k|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  2.48k|                } else {
  964|  1.69k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 1.32k, False: 367]
  ------------------
  965|  1.32k|                        pos.each_right(dec_visitor{}, idx + 1);
  966|  1.32k|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|  1.32k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|  1.32k|                    } else {
  969|    367|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    367|                        if (Mutating)
  ------------------
  |  Branch (970:29): [True: 367, Folded]
  ------------------
  971|    367|                            pos.visit(dec_visitor{});
  972|    367|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    367|                    }
  974|  1.69k|                }
  975|  13.4k|            }
  976|  13.4k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  13.4k|        }
  987|  29.4k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    944|    {
 1060|    944|        auto old_tail_size = pos.count();
 1061|    944|        auto new_tail_size = pos.index(last) + 1;
 1062|    944|        auto node          = pos.node();
 1063|    944|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 944, Folded]
  |  Branch (1063:42): [True: 274, False: 670]
  ------------------
 1064|    944|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 225, False: 719]
  ------------------
 1065|    225|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 225]
  ------------------
 1066|      0|                node->inc();
 1067|    225|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    719|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 268, False: 451]
  ------------------
 1069|    268|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    268|                              old_tail_size - new_tail_size);
 1071|    268|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    451|        } else {
 1073|    451|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    451|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 451, Folded]
  ------------------
 1075|    451|                pos.visit(dec_visitor{});
 1076|    451|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    451|        }
 1078|    944|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.02k|    {
 1060|  1.02k|        auto old_tail_size = pos.count();
 1061|  1.02k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.02k|        auto node          = pos.node();
 1063|  1.02k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 1.02k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  1.02k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 571, False: 452]
  ------------------
 1065|    571|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 571, Folded]
  ------------------
 1066|    571|                node->inc();
 1067|    571|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    571|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 452]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    452|        } else {
 1073|    452|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    452|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 452]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    452|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    452|        }
 1078|  1.02k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  17.6k|    {
  914|  17.6k|        auto idx    = pos.index(last);
  915|  17.6k|        auto node   = pos.node();
  916|  17.6k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [Folded, False: 17.6k]
  |  Branch (916:35): [True: 0, False: 0]
  ------------------
  917|  17.6k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [True: 17.6k, Folded]
  |  Branch (917:25): [True: 15.1k, False: 2.55k]
  ------------------
  918|  15.1k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 15.1k]
  ------------------
  919|  15.1k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|  15.1k|            if (Mutating)
  ------------------
  |  Branch (920:17): [Folded, False: 15.1k]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|  15.1k|            return res;
  923|  15.1k|        } else {
  924|  2.55k|            using std::get;
  925|  2.55k|            auto subs =
  926|  2.55k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 0, False: 2.55k]
  ------------------
  927|  2.55k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  2.55k|            auto next = get<1>(subs);
  929|  2.55k|            auto ts   = get<2>(subs);
  930|  2.55k|            auto tail = get<3>(subs);
  931|  2.55k|            IMMER_TRY {
  ------------------
  |  |   49|  2.55k|#define IMMER_TRY try
  ------------------
  932|  2.55k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 1.54k, False: 1.01k]
  ------------------
  933|  1.54k|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 0, False: 1.54k]
  ------------------
  934|      0|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  936|      0|                        node->inner()[idx] = next;
  937|      0|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|      0|                        nodr->d.count      = idx + 1;
  939|      0|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 0, False: 0]
  ------------------
  940|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|  1.54k|                    } else {
  942|  1.54k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|  1.54k|                        auto newr = newn->relaxed();
  944|  1.54k|                        newn->inner()[idx] = next;
  945|  1.54k|                        newr->d.sizes[idx] = last + 1 - ts;
  946|  1.54k|                        newr->d.count      = idx + 1;
  947|  1.54k|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 1.54k, False: 0]
  ------------------
  948|  1.54k|                        if (Mutating)
  ------------------
  |  Branch (948:29): [Folded, False: 1.54k]
  ------------------
  949|      0|                            pos.visit(dec_visitor{});
  950|  1.54k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|  1.54k|                    }
  952|  1.54k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 0, False: 1.01k]
  ------------------
  953|      0|                    if (Mutating)
  ------------------
  |  Branch (953:25): [Folded, False: 0]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  1.01k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [True: 1.01k, Folded]
  |  Branch (956:40): [True: 528, False: 489]
  |  Branch (956:52): [True: 249, False: 279]
  ------------------
  957|    249|                    auto newn = pos.node()->inner()[0];
  958|    249|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 249, False: 0]
  ------------------
  959|    249|                        newn->inc();
  960|    249|                    if (Mutating)
  ------------------
  |  Branch (960:25): [Folded, False: 249]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|    249|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|    768|                } else {
  964|    768|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 0, False: 768]
  ------------------
  965|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  966|      0|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|    768|                    } else {
  969|    768|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    768|                        if (Mutating)
  ------------------
  |  Branch (970:29): [Folded, False: 768]
  ------------------
  971|      0|                            pos.visit(dec_visitor{});
  972|    768|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    768|                    }
  974|    768|                }
  975|  2.55k|            }
  976|  2.55k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  2.55k|        }
  987|  17.6k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  1.10k|    {
  992|  1.10k|        auto idx    = pos.index(last);
  993|  1.10k|        auto node   = pos.node();
  994|  1.10k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 1.10k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  1.10k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 1.10k, Folded]
  |  Branch (995:25): [True: 216, False: 888]
  ------------------
  996|    216|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 216]
  ------------------
  997|    216|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|    216|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 216]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|    216|            return res;
 1001|    888|        } else {
 1002|    888|            using std::get;
 1003|    888|            auto subs =
 1004|    888|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 888]
  ------------------
 1005|    888|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|    888|            auto next = get<1>(subs);
 1007|    888|            auto ts   = get<2>(subs);
 1008|    888|            auto tail = get<3>(subs);
 1009|    888|            IMMER_TRY {
  ------------------
  |  |   49|    888|#define IMMER_TRY try
  ------------------
 1010|    888|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 266, False: 622]
  ------------------
 1011|    266|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 266]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    266|                    } else {
 1016|    266|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    266|                        newn->inner()[idx] = next;
 1018|    266|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 266]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    266|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    266|                    }
 1022|    622|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 622]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 0]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    622|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 622, Folded]
  |  Branch (1026:40): [True: 389, False: 233]
  |  Branch (1026:52): [True: 195, False: 194]
  ------------------
 1027|    195|                    auto newn = pos.node()->inner()[0];
 1028|    195|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 195, False: 0]
  ------------------
 1029|    195|                        newn->inc();
 1030|    195|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 195]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    195|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    427|                } else {
 1034|    427|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 427]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    427|                    } else {
 1038|    427|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    427|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 427]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    427|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    427|                    }
 1043|    427|                }
 1044|    888|            }
 1045|    888|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|    888|        }
 1055|  1.10k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.58k|    {
 1060|  1.58k|        auto old_tail_size = pos.count();
 1061|  1.58k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.58k|        auto node          = pos.node();
 1063|  1.58k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 1.58k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  1.58k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 432, False: 1.15k]
  ------------------
 1065|    432|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 432, Folded]
  ------------------
 1066|    432|                node->inc();
 1067|    432|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.15k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 1.15k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.15k|        } else {
 1073|  1.15k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.15k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 1.15k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  1.15k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.15k|        }
 1078|  1.58k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  1.83k|    {
  992|  1.83k|        auto idx    = pos.index(last);
  993|  1.83k|        auto node   = pos.node();
  994|  1.83k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 1.83k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  1.83k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 1.83k, Folded]
  |  Branch (995:25): [True: 852, False: 984]
  ------------------
  996|    852|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 852]
  ------------------
  997|    852|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|    852|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 852]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|    852|            return res;
 1001|    984|        } else {
 1002|    984|            using std::get;
 1003|    984|            auto subs =
 1004|    984|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 984]
  ------------------
 1005|    984|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|    984|            auto next = get<1>(subs);
 1007|    984|            auto ts   = get<2>(subs);
 1008|    984|            auto tail = get<3>(subs);
 1009|    984|            IMMER_TRY {
  ------------------
  |  |   49|    984|#define IMMER_TRY try
  ------------------
 1010|    984|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 290, False: 694]
  ------------------
 1011|    290|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 290]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    290|                    } else {
 1016|    290|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    290|                        newn->inner()[idx] = next;
 1018|    290|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 290]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    290|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    290|                    }
 1022|    694|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 694]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 0]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    694|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 694, Folded]
  |  Branch (1026:40): [True: 432, False: 262]
  |  Branch (1026:52): [True: 201, False: 231]
  ------------------
 1027|    201|                    auto newn = pos.node()->inner()[0];
 1028|    201|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 201, False: 0]
  ------------------
 1029|    201|                        newn->inc();
 1030|    201|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 201]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    201|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    493|                } else {
 1034|    493|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 493]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    493|                    } else {
 1038|    493|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    493|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 493]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    493|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    493|                    }
 1043|    493|                }
 1044|    984|            }
 1045|    984|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|    984|        }
 1055|  1.83k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  3.12k|    {
 1060|  3.12k|        auto old_tail_size = pos.count();
 1061|  3.12k|        auto new_tail_size = pos.index(last) + 1;
 1062|  3.12k|        auto node          = pos.node();
 1063|  3.12k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 3.12k, Folded]
  |  Branch (1063:42): [True: 666, False: 2.46k]
  ------------------
 1064|  3.12k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.32k, False: 1.80k]
  ------------------
 1065|  1.32k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 1.32k]
  ------------------
 1066|      0|                node->inc();
 1067|  1.32k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.80k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 577, False: 1.22k]
  ------------------
 1069|    577|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    577|                              old_tail_size - new_tail_size);
 1071|    577|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.22k|        } else {
 1073|  1.22k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.22k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.22k, Folded]
  ------------------
 1075|  1.22k|                pos.visit(dec_visitor{});
 1076|  1.22k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.22k|        }
 1078|  3.12k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.38k|    {
  992|  3.38k|        auto idx    = pos.index(last);
  993|  3.38k|        auto node   = pos.node();
  994|  3.38k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.38k, Folded]
  |  Branch (994:35): [True: 1.28k, False: 2.09k]
  ------------------
  995|  3.38k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.38k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 0, Folded]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.38k|        } else {
 1002|  3.38k|            using std::get;
 1003|  3.38k|            auto subs =
 1004|  3.38k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 1.28k, False: 2.09k]
  ------------------
 1005|  3.38k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.38k|            auto next = get<1>(subs);
 1007|  3.38k|            auto ts   = get<2>(subs);
 1008|  3.38k|            auto tail = get<3>(subs);
 1009|  3.38k|            IMMER_TRY {
  ------------------
  |  |   49|  3.38k|#define IMMER_TRY try
  ------------------
 1010|  3.38k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 857, False: 2.52k]
  ------------------
 1011|    857|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 342, False: 515]
  ------------------
 1012|    342|                        node->inner()[idx] = next;
 1013|    342|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    342|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    515|                    } else {
 1016|    515|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    515|                        newn->inner()[idx] = next;
 1018|    515|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 515, Folded]
  ------------------
 1019|    515|                            pos.visit(dec_visitor{});
 1020|    515|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    515|                    }
 1022|  2.52k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 879, False: 1.65k]
  ------------------
 1023|    879|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 879, Folded]
  ------------------
 1024|    879|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    879|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.65k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 1.65k]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 0, Folded]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  1.65k|                } else {
 1034|  1.65k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 570, False: 1.08k]
  ------------------
 1035|    570|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    570|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.08k|                    } else {
 1038|  1.08k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  1.08k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 1.08k, Folded]
  ------------------
 1040|  1.08k|                            pos.visit(dec_visitor{});
 1041|  1.08k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  1.08k|                    }
 1043|  1.65k|                }
 1044|  3.38k|            }
 1045|  3.38k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.38k|        }
 1055|  3.38k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  2.75k|    {
  879|  2.75k|        using node_t = node_type<Pos>;
  880|  2.75k|        auto node    = p.node();
  881|  2.75k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 1.33k, False: 1.41k]
  ------------------
  882|  1.33k|            p.each_right(dec_t{}, idx);
  883|  1.33k|            node_t::delete_inner(node, p.count());
  884|  1.33k|        }
  885|  2.75k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  9.36k|    {
 1060|  9.36k|        auto old_tail_size = pos.count();
 1061|  9.36k|        auto new_tail_size = pos.index(last) + 1;
 1062|  9.36k|        auto node          = pos.node();
 1063|  9.36k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 9.36k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  9.36k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.35k, False: 8.01k]
  ------------------
 1065|  1.35k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 1.35k, Folded]
  ------------------
 1066|  1.35k|                node->inc();
 1067|  1.35k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  8.01k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 8.01k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  8.01k|        } else {
 1073|  8.01k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  8.01k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 8.01k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  8.01k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  8.01k|        }
 1078|  9.36k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  5.40k|    {
  992|  5.40k|        auto idx    = pos.index(last);
  993|  5.40k|        auto node   = pos.node();
  994|  5.40k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 5.40k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  5.40k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 5.40k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 0]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  5.40k|        } else {
 1002|  5.40k|            using std::get;
 1003|  5.40k|            auto subs =
 1004|  5.40k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 5.40k]
  ------------------
 1005|  5.40k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  5.40k|            auto next = get<1>(subs);
 1007|  5.40k|            auto ts   = get<2>(subs);
 1008|  5.40k|            auto tail = get<3>(subs);
 1009|  5.40k|            IMMER_TRY {
  ------------------
  |  |   49|  5.40k|#define IMMER_TRY try
  ------------------
 1010|  5.40k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 600, False: 4.80k]
  ------------------
 1011|    600|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 600]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    600|                    } else {
 1016|    600|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    600|                        newn->inner()[idx] = next;
 1018|    600|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 600]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    600|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    600|                    }
 1022|  4.80k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 1.23k, False: 3.57k]
  ------------------
 1023|  1.23k|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 1.23k]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|  1.23k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  3.57k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 3.57k]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 0]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  3.57k|                } else {
 1034|  3.57k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 3.57k]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  3.57k|                    } else {
 1038|  3.57k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  3.57k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 3.57k]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|  3.57k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  3.57k|                    }
 1043|  3.57k|                }
 1044|  5.40k|            }
 1045|  5.40k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  5.40k|        }
 1055|  5.40k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    403|    {
 1060|    403|        auto old_tail_size = pos.count();
 1061|    403|        auto new_tail_size = pos.index(last) + 1;
 1062|    403|        auto node          = pos.node();
 1063|    403|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 403]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|    403|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 195, False: 208]
  ------------------
 1065|    195|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 195, Folded]
  ------------------
 1066|    195|                node->inc();
 1067|    195|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    208|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 208]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    208|        } else {
 1073|    208|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    208|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 208]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    208|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    208|        }
 1078|    403|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.57k|    {
 1060|  1.57k|        auto old_tail_size = pos.count();
 1061|  1.57k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.57k|        auto node          = pos.node();
 1063|  1.57k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.57k, Folded]
  |  Branch (1063:42): [True: 207, False: 1.37k]
  ------------------
 1064|  1.57k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 347, False: 1.23k]
  ------------------
 1065|    347|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 347]
  ------------------
 1066|      0|                node->inc();
 1067|    347|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.23k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 205, False: 1.02k]
  ------------------
 1069|    205|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    205|                              old_tail_size - new_tail_size);
 1071|    205|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.02k|        } else {
 1073|  1.02k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.02k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.02k, Folded]
  ------------------
 1075|  1.02k|                pos.visit(dec_visitor{});
 1076|  1.02k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.02k|        }
 1078|  1.57k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_11regular_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.89k|    {
  992|  3.89k|        auto idx    = pos.index(last);
  993|  3.89k|        auto node   = pos.node();
  994|  3.89k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.89k, Folded]
  |  Branch (994:35): [True: 2.76k, False: 1.12k]
  ------------------
  995|  3.89k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.89k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 0, Folded]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.89k|        } else {
 1002|  3.89k|            using std::get;
 1003|  3.89k|            auto subs =
 1004|  3.89k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 2.76k, False: 1.12k]
  ------------------
 1005|  3.89k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.89k|            auto next = get<1>(subs);
 1007|  3.89k|            auto ts   = get<2>(subs);
 1008|  3.89k|            auto tail = get<3>(subs);
 1009|  3.89k|            IMMER_TRY {
  ------------------
  |  |   49|  3.89k|#define IMMER_TRY try
  ------------------
 1010|  3.89k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 1.70k, False: 2.18k]
  ------------------
 1011|  1.70k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 1.02k, False: 680]
  ------------------
 1012|  1.02k|                        node->inner()[idx] = next;
 1013|  1.02k|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|  1.02k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  1.02k|                    } else {
 1016|    680|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    680|                        newn->inner()[idx] = next;
 1018|    680|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 680, Folded]
  ------------------
 1019|    680|                            pos.visit(dec_visitor{});
 1020|    680|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    680|                    }
 1022|  2.18k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 1.45k, False: 731]
  ------------------
 1023|  1.45k|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 1.45k, Folded]
  ------------------
 1024|  1.45k|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|  1.45k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.45k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 731]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 0, Folded]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    731|                } else {
 1034|    731|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 504, False: 227]
  ------------------
 1035|    504|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    504|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    504|                    } else {
 1038|    227|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    227|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 227, Folded]
  ------------------
 1040|    227|                            pos.visit(dec_visitor{});
 1041|    227|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    227|                    }
 1043|    731|                }
 1044|  3.89k|            }
 1045|  3.89k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.89k|        }
 1055|  3.89k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  1.45k|    {
  879|  1.45k|        using node_t = node_type<Pos>;
  880|  1.45k|        auto node    = p.node();
  881|  1.45k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 1.23k, False: 218]
  ------------------
  882|  1.23k|            p.each_right(dec_t{}, idx);
  883|  1.23k|            node_t::delete_inner(node, p.count());
  884|  1.23k|        }
  885|  1.45k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  2.56k|    {
 1060|  2.56k|        auto old_tail_size = pos.count();
 1061|  2.56k|        auto new_tail_size = pos.index(last) + 1;
 1062|  2.56k|        auto node          = pos.node();
 1063|  2.56k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 2.56k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  2.56k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 438, False: 2.12k]
  ------------------
 1065|    438|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 438, Folded]
  ------------------
 1066|    438|                node->inc();
 1067|    438|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  2.12k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 2.12k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  2.12k|        } else {
 1073|  2.12k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  2.12k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 2.12k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  2.12k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  2.12k|        }
 1078|  2.56k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_11regular_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.25k|    {
  992|  3.25k|        auto idx    = pos.index(last);
  993|  3.25k|        auto node   = pos.node();
  994|  3.25k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 3.25k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  3.25k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.25k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 0]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.25k|        } else {
 1002|  3.25k|            using std::get;
 1003|  3.25k|            auto subs =
 1004|  3.25k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 3.25k]
  ------------------
 1005|  3.25k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.25k|            auto next = get<1>(subs);
 1007|  3.25k|            auto ts   = get<2>(subs);
 1008|  3.25k|            auto tail = get<3>(subs);
 1009|  3.25k|            IMMER_TRY {
  ------------------
  |  |   49|  3.25k|#define IMMER_TRY try
  ------------------
 1010|  3.25k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 921, False: 2.33k]
  ------------------
 1011|    921|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 921]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    921|                    } else {
 1016|    921|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    921|                        newn->inner()[idx] = next;
 1018|    921|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 921]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    921|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    921|                    }
 1022|  2.33k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 689, False: 1.64k]
  ------------------
 1023|    689|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 689]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    689|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.64k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 1.64k]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 0]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  1.64k|                } else {
 1034|  1.64k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 1.64k]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.64k|                    } else {
 1038|  1.64k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  1.64k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 1.64k]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|  1.64k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  1.64k|                    }
 1043|  1.64k|                }
 1044|  3.25k|            }
 1045|  3.25k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.25k|        }
 1055|  3.25k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_j:
  867|  19.6k|    {
  868|  19.6k|        using node_t = node_type<Pos>;
  869|  19.6k|        auto node    = p.node();
  870|  19.6k|        if (node->dec()) {
  ------------------
  |  Branch (870:13): [True: 13.7k, False: 5.89k]
  ------------------
  871|  13.7k|            p.each_right(dec_t{}, idx);
  872|  13.7k|            node_t::delete_inner_r(node, p.count());
  873|  13.7k|        }
  874|  19.6k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  2.80k|    {
 1060|  2.80k|        auto old_tail_size = pos.count();
 1061|  2.80k|        auto new_tail_size = pos.index(last) + 1;
 1062|  2.80k|        auto node          = pos.node();
 1063|  2.80k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 2.80k, Folded]
  |  Branch (1063:42): [True: 445, False: 2.36k]
  ------------------
 1064|  2.80k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 885, False: 1.92k]
  ------------------
 1065|    885|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 885]
  ------------------
 1066|      0|                node->inc();
 1067|    885|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.92k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 403, False: 1.51k]
  ------------------
 1069|    403|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    403|                              old_tail_size - new_tail_size);
 1071|    403|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.51k|        } else {
 1073|  1.51k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.51k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.51k, Folded]
  ------------------
 1075|  1.51k|                pos.visit(dec_visitor{});
 1076|  1.51k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.51k|        }
 1078|  2.80k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  4.57k|    {
  914|  4.57k|        auto idx    = pos.index(last);
  915|  4.57k|        auto node   = pos.node();
  916|  4.57k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [True: 4.57k, Folded]
  |  Branch (916:35): [True: 3.02k, False: 1.55k]
  ------------------
  917|  4.57k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [Folded, False: 4.57k]
  |  Branch (917:25): [True: 0, False: 0]
  ------------------
  918|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 0]
  ------------------
  919|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|      0|            if (Mutating)
  ------------------
  |  Branch (920:17): [True: 0, Folded]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|      0|            return res;
  923|  4.57k|        } else {
  924|  4.57k|            using std::get;
  925|  4.57k|            auto subs =
  926|  4.57k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 3.02k, False: 1.55k]
  ------------------
  927|  4.57k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  4.57k|            auto next = get<1>(subs);
  929|  4.57k|            auto ts   = get<2>(subs);
  930|  4.57k|            auto tail = get<3>(subs);
  931|  4.57k|            IMMER_TRY {
  ------------------
  |  |   49|  4.57k|#define IMMER_TRY try
  ------------------
  932|  4.57k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 1.61k, False: 2.96k]
  ------------------
  933|  1.61k|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 1.31k, False: 292]
  ------------------
  934|  1.31k|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|  1.31k|                        pos.each_right(dec_visitor{}, idx + 1);
  936|  1.31k|                        node->inner()[idx] = next;
  937|  1.31k|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|  1.31k|                        nodr->d.count      = idx + 1;
  939|  1.31k|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 1.31k, False: 0]
  ------------------
  940|  1.31k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|  1.31k|                    } else {
  942|    292|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    292|                        auto newr = newn->relaxed();
  944|    292|                        newn->inner()[idx] = next;
  945|    292|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    292|                        newr->d.count      = idx + 1;
  947|    292|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 292, False: 0]
  ------------------
  948|    292|                        if (Mutating)
  ------------------
  |  Branch (948:29): [True: 292, Folded]
  ------------------
  949|    292|                            pos.visit(dec_visitor{});
  950|    292|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    292|                    }
  952|  2.96k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 1.17k, False: 1.79k]
  ------------------
  953|  1.17k|                    if (Mutating)
  ------------------
  |  Branch (953:25): [True: 1.17k, Folded]
  ------------------
  954|  1.17k|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|  1.17k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  1.79k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [Folded, False: 1.79k]
  |  Branch (956:40): [True: 0, False: 0]
  |  Branch (956:52): [True: 0, False: 0]
  ------------------
  957|      0|                    auto newn = pos.node()->inner()[0];
  958|      0|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 0, False: 0]
  ------------------
  959|      0|                        newn->inc();
  960|      0|                    if (Mutating)
  ------------------
  |  Branch (960:25): [True: 0, Folded]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  1.79k|                } else {
  964|  1.79k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 1.05k, False: 748]
  ------------------
  965|  1.05k|                        pos.each_right(dec_visitor{}, idx + 1);
  966|  1.05k|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|  1.05k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|  1.05k|                    } else {
  969|    748|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    748|                        if (Mutating)
  ------------------
  |  Branch (970:29): [True: 748, Folded]
  ------------------
  971|    748|                            pos.visit(dec_visitor{});
  972|    748|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    748|                    }
  974|  1.79k|                }
  975|  4.57k|            }
  976|  4.57k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  4.57k|        }
  987|  4.57k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  5.13k|    {
  992|  5.13k|        auto idx    = pos.index(last);
  993|  5.13k|        auto node   = pos.node();
  994|  5.13k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 5.13k, Folded]
  |  Branch (994:35): [True: 3.83k, False: 1.29k]
  ------------------
  995|  5.13k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 5.13k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 0, Folded]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  5.13k|        } else {
 1002|  5.13k|            using std::get;
 1003|  5.13k|            auto subs =
 1004|  5.13k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 3.83k, False: 1.29k]
  ------------------
 1005|  5.13k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  5.13k|            auto next = get<1>(subs);
 1007|  5.13k|            auto ts   = get<2>(subs);
 1008|  5.13k|            auto tail = get<3>(subs);
 1009|  5.13k|            IMMER_TRY {
  ------------------
  |  |   49|  5.13k|#define IMMER_TRY try
  ------------------
 1010|  5.13k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 3.37k, False: 1.75k]
  ------------------
 1011|  3.37k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 2.86k, False: 516]
  ------------------
 1012|  2.86k|                        node->inner()[idx] = next;
 1013|  2.86k|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|  2.86k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  2.86k|                    } else {
 1016|    516|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    516|                        newn->inner()[idx] = next;
 1018|    516|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 516, Folded]
  ------------------
 1019|    516|                            pos.visit(dec_visitor{});
 1020|    516|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    516|                    }
 1022|  3.37k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 853, False: 899]
  ------------------
 1023|    853|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 853, Folded]
  ------------------
 1024|    853|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    853|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    899|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 899]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 0, Folded]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    899|                } else {
 1034|    899|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 427, False: 472]
  ------------------
 1035|    427|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    427|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    472|                    } else {
 1038|    472|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    472|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 472, Folded]
  ------------------
 1040|    472|                            pos.visit(dec_visitor{});
 1041|    472|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    472|                    }
 1043|    899|                }
 1044|  5.13k|            }
 1045|  5.13k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  5.13k|        }
 1055|  5.13k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  9.57k|    {
  879|  9.57k|        using node_t = node_type<Pos>;
  880|  9.57k|        auto node    = p.node();
  881|  9.57k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 6.38k, False: 3.18k]
  ------------------
  882|  6.38k|            p.each_right(dec_t{}, idx);
  883|  6.38k|            node_t::delete_inner(node, p.count());
  884|  6.38k|        }
  885|  9.57k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  5.15k|    {
 1060|  5.15k|        auto old_tail_size = pos.count();
 1061|  5.15k|        auto new_tail_size = pos.index(last) + 1;
 1062|  5.15k|        auto node          = pos.node();
 1063|  5.15k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 5.15k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  5.15k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 973, False: 4.18k]
  ------------------
 1065|    973|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 973, Folded]
  ------------------
 1066|    973|                node->inc();
 1067|    973|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  4.18k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 4.18k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  4.18k|        } else {
 1073|  4.18k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  4.18k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 4.18k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  4.18k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  4.18k|        }
 1078|  5.15k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  4.44k|    {
  914|  4.44k|        auto idx    = pos.index(last);
  915|  4.44k|        auto node   = pos.node();
  916|  4.44k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [Folded, False: 4.44k]
  |  Branch (916:35): [True: 0, False: 0]
  ------------------
  917|  4.44k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [Folded, False: 4.44k]
  |  Branch (917:25): [True: 0, False: 0]
  ------------------
  918|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 0]
  ------------------
  919|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|      0|            if (Mutating)
  ------------------
  |  Branch (920:17): [Folded, False: 0]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|      0|            return res;
  923|  4.44k|        } else {
  924|  4.44k|            using std::get;
  925|  4.44k|            auto subs =
  926|  4.44k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 0, False: 4.44k]
  ------------------
  927|  4.44k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  4.44k|            auto next = get<1>(subs);
  929|  4.44k|            auto ts   = get<2>(subs);
  930|  4.44k|            auto tail = get<3>(subs);
  931|  4.44k|            IMMER_TRY {
  ------------------
  |  |   49|  4.44k|#define IMMER_TRY try
  ------------------
  932|  4.44k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 1.09k, False: 3.35k]
  ------------------
  933|  1.09k|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 0, False: 1.09k]
  ------------------
  934|      0|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  936|      0|                        node->inner()[idx] = next;
  937|      0|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|      0|                        nodr->d.count      = idx + 1;
  939|      0|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 0, False: 0]
  ------------------
  940|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|  1.09k|                    } else {
  942|  1.09k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|  1.09k|                        auto newr = newn->relaxed();
  944|  1.09k|                        newn->inner()[idx] = next;
  945|  1.09k|                        newr->d.sizes[idx] = last + 1 - ts;
  946|  1.09k|                        newr->d.count      = idx + 1;
  947|  1.09k|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 1.09k, False: 0]
  ------------------
  948|  1.09k|                        if (Mutating)
  ------------------
  |  Branch (948:29): [Folded, False: 1.09k]
  ------------------
  949|      0|                            pos.visit(dec_visitor{});
  950|  1.09k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|  1.09k|                    }
  952|  3.35k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 1.07k, False: 2.28k]
  ------------------
  953|  1.07k|                    if (Mutating)
  ------------------
  |  Branch (953:25): [Folded, False: 1.07k]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|  1.07k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  2.28k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [Folded, False: 2.28k]
  |  Branch (956:40): [True: 0, False: 0]
  |  Branch (956:52): [True: 0, False: 0]
  ------------------
  957|      0|                    auto newn = pos.node()->inner()[0];
  958|      0|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 0, False: 0]
  ------------------
  959|      0|                        newn->inc();
  960|      0|                    if (Mutating)
  ------------------
  |  Branch (960:25): [Folded, False: 0]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  2.28k|                } else {
  964|  2.28k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 0, False: 2.28k]
  ------------------
  965|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  966|      0|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|  2.28k|                    } else {
  969|  2.28k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|  2.28k|                        if (Mutating)
  ------------------
  |  Branch (970:29): [Folded, False: 2.28k]
  ------------------
  971|      0|                            pos.visit(dec_visitor{});
  972|  2.28k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|  2.28k|                    }
  974|  2.28k|                }
  975|  4.44k|            }
  976|  4.44k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  4.44k|        }
  987|  4.44k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  2.89k|    {
  992|  2.89k|        auto idx    = pos.index(last);
  993|  2.89k|        auto node   = pos.node();
  994|  2.89k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 2.89k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  2.89k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 2.89k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 0]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  2.89k|        } else {
 1002|  2.89k|            using std::get;
 1003|  2.89k|            auto subs =
 1004|  2.89k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 2.89k]
  ------------------
 1005|  2.89k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  2.89k|            auto next = get<1>(subs);
 1007|  2.89k|            auto ts   = get<2>(subs);
 1008|  2.89k|            auto tail = get<3>(subs);
 1009|  2.89k|            IMMER_TRY {
  ------------------
  |  |   49|  2.89k|#define IMMER_TRY try
  ------------------
 1010|  2.89k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 2.12k, False: 769]
  ------------------
 1011|  2.12k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 2.12k]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  2.12k|                    } else {
 1016|  2.12k|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|  2.12k|                        newn->inner()[idx] = next;
 1018|  2.12k|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 2.12k]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|  2.12k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|  2.12k|                    }
 1022|  2.12k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 461, False: 308]
  ------------------
 1023|    461|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 461]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    461|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    461|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 308]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 0]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    308|                } else {
 1034|    308|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 308]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    308|                    } else {
 1038|    308|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    308|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 308]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    308|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    308|                    }
 1043|    308|                }
 1044|  2.89k|            }
 1045|  2.89k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  2.89k|        }
 1055|  2.89k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  11.5k|    {
  992|  11.5k|        auto idx    = pos.index(last);
  993|  11.5k|        auto node   = pos.node();
  994|  11.5k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 11.5k, Folded]
  |  Branch (994:35): [True: 7.67k, False: 3.84k]
  ------------------
  995|  11.5k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 11.5k, Folded]
  |  Branch (995:25): [True: 6.59k, False: 4.92k]
  ------------------
  996|  6.59k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 4.37k, False: 2.21k]
  ------------------
  997|  6.59k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|  6.59k|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 6.59k, Folded]
  ------------------
  999|  6.59k|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|  6.59k|            return res;
 1001|  6.59k|        } else {
 1002|  4.92k|            using std::get;
 1003|  4.92k|            auto subs =
 1004|  4.92k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 3.29k, False: 1.62k]
  ------------------
 1005|  4.92k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  4.92k|            auto next = get<1>(subs);
 1007|  4.92k|            auto ts   = get<2>(subs);
 1008|  4.92k|            auto tail = get<3>(subs);
 1009|  4.92k|            IMMER_TRY {
  ------------------
  |  |   49|  4.92k|#define IMMER_TRY try
  ------------------
 1010|  4.92k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 1.04k, False: 3.88k]
  ------------------
 1011|  1.04k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 509, False: 532]
  ------------------
 1012|    509|                        node->inner()[idx] = next;
 1013|    509|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    509|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    532|                    } else {
 1016|    532|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    532|                        newn->inner()[idx] = next;
 1018|    532|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 532, Folded]
  ------------------
 1019|    532|                            pos.visit(dec_visitor{});
 1020|    532|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    532|                    }
 1022|  3.88k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 3.88k]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 0, Folded]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  3.88k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 3.88k, Folded]
  |  Branch (1026:40): [True: 3.49k, False: 383]
  |  Branch (1026:52): [True: 2.12k, False: 1.37k]
  ------------------
 1027|  2.12k|                    auto newn = pos.node()->inner()[0];
 1028|  2.12k|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 662, False: 1.45k]
  ------------------
 1029|    662|                        newn->inc();
 1030|  2.12k|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 2.12k, Folded]
  ------------------
 1031|  2.12k|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|  2.12k|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  2.12k|                } else {
 1034|  1.76k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 1.32k, False: 433]
  ------------------
 1035|  1.32k|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|  1.32k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.32k|                    } else {
 1038|    433|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    433|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 433, Folded]
  ------------------
 1040|    433|                            pos.visit(dec_visitor{});
 1041|    433|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    433|                    }
 1043|  1.76k|                }
 1044|  4.92k|            }
 1045|  4.92k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  4.92k|        }
 1055|  11.5k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.33k|    {
 1060|  1.33k|        auto old_tail_size = pos.count();
 1061|  1.33k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.33k|        auto node          = pos.node();
 1063|  1.33k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.33k, Folded]
  |  Branch (1063:42): [True: 436, False: 899]
  ------------------
 1064|  1.33k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 397, False: 938]
  ------------------
 1065|    397|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 397]
  ------------------
 1066|      0|                node->inc();
 1067|    397|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    938|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 436, False: 502]
  ------------------
 1069|    436|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    436|                              old_tail_size - new_tail_size);
 1071|    436|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    502|        } else {
 1073|    502|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    502|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 502, Folded]
  ------------------
 1075|    502|                pos.visit(dec_visitor{});
 1076|    502|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    502|        }
 1078|  1.33k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.09k|    {
  992|  3.09k|        auto idx    = pos.index(last);
  993|  3.09k|        auto node   = pos.node();
  994|  3.09k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.09k, Folded]
  |  Branch (994:35): [True: 1.54k, False: 1.54k]
  ------------------
  995|  3.09k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 3.09k, Folded]
  |  Branch (995:25): [True: 1.28k, False: 1.81k]
  ------------------
  996|  1.28k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 747, False: 535]
  ------------------
  997|  1.28k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|  1.28k|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 1.28k, Folded]
  ------------------
  999|  1.28k|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|  1.28k|            return res;
 1001|  1.81k|        } else {
 1002|  1.81k|            using std::get;
 1003|  1.81k|            auto subs =
 1004|  1.81k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 801, False: 1.01k]
  ------------------
 1005|  1.81k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  1.81k|            auto next = get<1>(subs);
 1007|  1.81k|            auto ts   = get<2>(subs);
 1008|  1.81k|            auto tail = get<3>(subs);
 1009|  1.81k|            IMMER_TRY {
  ------------------
  |  |   49|  1.81k|#define IMMER_TRY try
  ------------------
 1010|  1.81k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 494, False: 1.31k]
  ------------------
 1011|    494|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 205, False: 289]
  ------------------
 1012|    205|                        node->inner()[idx] = next;
 1013|    205|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    205|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    289|                    } else {
 1016|    289|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    289|                        newn->inner()[idx] = next;
 1018|    289|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 289, Folded]
  ------------------
 1019|    289|                            pos.visit(dec_visitor{});
 1020|    289|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    289|                    }
 1022|  1.31k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 1.31k]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 0, Folded]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.31k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 1.31k, Folded]
  |  Branch (1026:40): [True: 1.01k, False: 301]
  |  Branch (1026:52): [True: 593, False: 425]
  ------------------
 1027|    593|                    auto newn = pos.node()->inner()[0];
 1028|    593|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 377, False: 216]
  ------------------
 1029|    377|                        newn->inc();
 1030|    593|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 593, Folded]
  ------------------
 1031|    593|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    593|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    726|                } else {
 1034|    726|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 380, False: 346]
  ------------------
 1035|    380|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    380|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    380|                    } else {
 1038|    346|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    346|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 346, Folded]
  ------------------
 1040|    346|                            pos.visit(dec_visitor{});
 1041|    346|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    346|                    }
 1043|    726|                }
 1044|  1.81k|            }
 1045|  1.81k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  1.81k|        }
 1055|  3.09k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    696|    {
 1060|    696|        auto old_tail_size = pos.count();
 1061|    696|        auto new_tail_size = pos.index(last) + 1;
 1062|    696|        auto node          = pos.node();
 1063|    696|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 696, Folded]
  |  Branch (1063:42): [True: 266, False: 430]
  ------------------
 1064|    696|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 237, False: 459]
  ------------------
 1065|    237|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 237]
  ------------------
 1066|      0|                node->inc();
 1067|    237|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    459|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 198, False: 261]
  ------------------
 1069|    198|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    198|                              old_tail_size - new_tail_size);
 1071|    198|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    261|        } else {
 1073|    261|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    261|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 261, Folded]
  ------------------
 1075|    261|                pos.visit(dec_visitor{});
 1076|    261|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    261|        }
 1078|    696|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|    929|    {
 1378|    929|        auto node   = pos.node();
 1379|    929|        auto idx    = pos.index(first);
 1380|    929|        auto count  = pos.count();
 1381|    929|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [True: 0, Folded]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|    929|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 652, False: 277]
  ------------------
 1384|    929|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 652, False: 277]
  ------------------
 1385|    652|            auto data     = node->leaf();
 1386|    652|            auto newcount = count - idx;
 1387|    652|            std::move(data + idx, data + count, data);
 1388|    652|            detail::destroy_n(data + newcount, idx);
 1389|    652|            return std::make_tuple(0, node);
 1390|    652|        } else {
 1391|    277|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|    277|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 277, Folded]
  ------------------
 1393|    277|                pos.visit(dec_visitor{});
 1394|    277|            return std::make_tuple(0, newn);
 1395|    277|        }
 1396|    929|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|  59.5k|    {
 1247|  59.5k|        auto idx                = pos.subindex(first);
 1248|  59.5k|        auto count              = pos.count();
 1249|  59.5k|        auto node               = pos.node();
 1250|  59.5k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [True: 59.5k, Folded]
  |  Branch (1250:47): [True: 45.6k, False: 13.8k]
  ------------------
 1251|  59.5k|        auto left_size          = pos.size_before(idx);
 1252|  59.5k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  59.5k|        auto dropped_size       = first;
 1254|  59.5k|        auto child_dropped_size = dropped_size - left_size;
 1255|  59.5k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [True: 59.5k, Folded]
  |  Branch (1255:25): [True: 57.7k, False: 1.76k]
  |  Branch (1255:45): [True: 4.96k, False: 52.7k]
  ------------------
 1256|  4.96k|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 2.12k, False: 2.83k]
  ------------------
 1257|  4.96k|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|  4.96k|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 2.12k, False: 2.83k]
  ------------------
 1259|  2.12k|                pos.visit(dec_left_visitor{}, idx);
 1260|  2.83k|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [True: 2.83k, Folded]
  ------------------
 1261|  2.83k|                pos.visit(dec_visitor{});
 1262|  4.96k|            return r;
 1263|  54.5k|        } else {
 1264|  54.5k|            using std::get;
 1265|  54.5k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 43.5k, False: 11.0k]
  ------------------
 1266|  54.5k|                                   : node_t::make_inner_r_e(e);
 1267|  54.5k|            auto newr     = newn->relaxed();
 1268|  54.5k|            auto newcount = count - idx;
 1269|  54.5k|            auto new_child_size = child_size - child_dropped_size;
 1270|  54.5k|            IMMER_TRY {
  ------------------
  |  |   49|  54.5k|#define IMMER_TRY try
  ------------------
 1271|  54.5k|                auto subs =
 1272|  54.5k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 43.5k, False: 11.0k]
  ------------------
 1273|  54.5k|                           : pos.towards_sub_oh(
 1274|  11.0k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  54.5k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 43.5k, False: 11.0k]
  ------------------
 1276|  43.5k|                    pos.each_left(dec_visitor{}, idx);
 1277|  54.5k|                pos.copy_sizes(
 1278|  54.5k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  54.5k|                std::copy(node->inner() + idx + 1,
 1280|  54.5k|                          node->inner() + count,
 1281|  54.5k|                          newn->inner() + 1);
 1282|  54.5k|                newn->inner()[0] = get<1>(subs);
 1283|  54.5k|                newr->d.sizes[0] = new_child_size;
 1284|  54.5k|                newr->d.count    = newcount;
 1285|  54.5k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 54.5k, False: 0]
  ------------------
 1286|  54.5k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 11.0k, False: 43.5k]
  ------------------
 1287|  11.0k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  11.0k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [True: 11.0k, Folded]
  ------------------
 1289|  11.0k|                        pos.visit(dec_visitor{});
 1290|  11.0k|                }
 1291|  54.5k|                return std::make_tuple(pos.shift(), newn);
 1292|  54.5k|            }
 1293|  54.5k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|  54.5k|        }
 1299|  59.5k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|  2.32k|    {
 1247|  2.32k|        auto idx                = pos.subindex(first);
 1248|  2.32k|        auto count              = pos.count();
 1249|  2.32k|        auto node               = pos.node();
 1250|  2.32k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [Folded, False: 2.32k]
  |  Branch (1250:47): [True: 0, False: 0]
  ------------------
 1251|  2.32k|        auto left_size          = pos.size_before(idx);
 1252|  2.32k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  2.32k|        auto dropped_size       = first;
 1254|  2.32k|        auto child_dropped_size = dropped_size - left_size;
 1255|  2.32k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [True: 2.32k, Folded]
  |  Branch (1255:25): [True: 921, False: 1.40k]
  |  Branch (1255:45): [True: 640, False: 281]
  ------------------
 1256|    640|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 0, False: 640]
  ------------------
 1257|    640|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|    640|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 0, False: 640]
  ------------------
 1259|      0|                pos.visit(dec_left_visitor{}, idx);
 1260|    640|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [Folded, False: 640]
  ------------------
 1261|      0|                pos.visit(dec_visitor{});
 1262|    640|            return r;
 1263|  1.68k|        } else {
 1264|  1.68k|            using std::get;
 1265|  1.68k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 0, False: 1.68k]
  ------------------
 1266|  1.68k|                                   : node_t::make_inner_r_e(e);
 1267|  1.68k|            auto newr     = newn->relaxed();
 1268|  1.68k|            auto newcount = count - idx;
 1269|  1.68k|            auto new_child_size = child_size - child_dropped_size;
 1270|  1.68k|            IMMER_TRY {
  ------------------
  |  |   49|  1.68k|#define IMMER_TRY try
  ------------------
 1271|  1.68k|                auto subs =
 1272|  1.68k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 0, False: 1.68k]
  ------------------
 1273|  1.68k|                           : pos.towards_sub_oh(
 1274|  1.68k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  1.68k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 0, False: 1.68k]
  ------------------
 1276|      0|                    pos.each_left(dec_visitor{}, idx);
 1277|  1.68k|                pos.copy_sizes(
 1278|  1.68k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  1.68k|                std::copy(node->inner() + idx + 1,
 1280|  1.68k|                          node->inner() + count,
 1281|  1.68k|                          newn->inner() + 1);
 1282|  1.68k|                newn->inner()[0] = get<1>(subs);
 1283|  1.68k|                newr->d.sizes[0] = new_child_size;
 1284|  1.68k|                newr->d.count    = newcount;
 1285|  1.68k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 1.68k, False: 0]
  ------------------
 1286|  1.68k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 1.68k, False: 0]
  ------------------
 1287|  1.68k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  1.68k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [Folded, False: 1.68k]
  ------------------
 1289|      0|                        pos.visit(dec_visitor{});
 1290|  1.68k|                }
 1291|  1.68k|                return std::make_tuple(pos.shift(), newn);
 1292|  1.68k|            }
 1293|  1.68k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|  1.68k|        }
 1299|  2.32k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  1.95k|    {
 1304|  1.95k|        auto idx    = pos.subindex(first);
 1305|  1.95k|        auto count  = pos.count();
 1306|  1.95k|        auto node   = pos.node();
 1307|  1.95k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 1.95k]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  1.95k|        auto left_size          = pos.size_before(idx);
 1313|  1.95k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.95k|        auto dropped_size       = first;
 1315|  1.95k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.95k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 1.95k, Folded]
  |  Branch (1316:25): [True: 939, False: 1.01k]
  |  Branch (1316:45): [True: 697, False: 242]
  ------------------
 1317|    697|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 697]
  ------------------
 1318|    697|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|    697|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 697]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|    697|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 697]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|    697|            return r;
 1324|  1.26k|        } else {
 1325|  1.26k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.26k|            auto newcount = count - idx;
 1330|  1.26k|            auto newn =
 1331|  1.26k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.26k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.26k|                       : node_t::make_inner_r_e(e);
 1336|  1.26k|            auto newr = newn->relaxed();
 1337|  1.26k|            IMMER_TRY {
  ------------------
  |  |   49|  1.26k|#define IMMER_TRY try
  ------------------
 1338|  1.26k|                auto subs =
 1339|  1.26k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.26k]
  ------------------
 1340|  1.26k|                           : pos.towards_sub_oh(
 1341|  1.26k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.26k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.26k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.26k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.26k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.26k, False: 0]
  ------------------
 1346|  1.26k|                pos.copy_sizes(
 1347|  1.26k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.26k|                newr->d.count    = newcount;
 1349|  1.26k|                newn->inner()[0] = get<1>(subs);
 1350|  1.26k|                std::copy(node->inner() + idx + 1,
 1351|  1.26k|                          node->inner() + count,
 1352|  1.26k|                          newn->inner() + 1);
 1353|  1.26k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.26k, False: 0]
  ------------------
 1354|  1.26k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.26k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 1.26k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  1.26k|                }
 1358|  1.26k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.26k|            }
 1360|  1.26k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.26k|        }
 1373|  1.95k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|    627|    {
 1304|    627|        auto idx    = pos.subindex(first);
 1305|    627|        auto count  = pos.count();
 1306|    627|        auto node   = pos.node();
 1307|    627|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 627]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|    627|        auto left_size          = pos.size_before(idx);
 1313|    627|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|    627|        auto dropped_size       = first;
 1315|    627|        auto child_dropped_size = dropped_size - left_size;
 1316|    627|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 627, Folded]
  |  Branch (1316:25): [True: 204, False: 423]
  |  Branch (1316:45): [True: 0, False: 204]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 0]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|    627|        } else {
 1325|    627|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|    627|            auto newcount = count - idx;
 1330|    627|            auto newn =
 1331|    627|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 627]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|    627|                       : node_t::make_inner_r_e(e);
 1336|    627|            auto newr = newn->relaxed();
 1337|    627|            IMMER_TRY {
  ------------------
  |  |   49|    627|#define IMMER_TRY try
  ------------------
 1338|    627|                auto subs =
 1339|    627|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 627]
  ------------------
 1340|    627|                           : pos.towards_sub_oh(
 1341|    627|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|    627|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 627]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|    627|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|    627|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 627, False: 0]
  ------------------
 1346|    627|                pos.copy_sizes(
 1347|    627|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|    627|                newr->d.count    = newcount;
 1349|    627|                newn->inner()[0] = get<1>(subs);
 1350|    627|                std::copy(node->inner() + idx + 1,
 1351|    627|                          node->inner() + count,
 1352|    627|                          newn->inner() + 1);
 1353|    627|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 627, False: 0]
  ------------------
 1354|    627|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|    627|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 627]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|    627|                }
 1358|    627|                return std::make_tuple(pos.shift(), newn);
 1359|    627|            }
 1360|    627|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|    627|        }
 1373|    627|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  2.84k|    {
 1378|  2.84k|        auto node   = pos.node();
 1379|  2.84k|        auto idx    = pos.index(first);
 1380|  2.84k|        auto count  = pos.count();
 1381|  2.84k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [True: 0, Folded]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|  2.84k|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 688, False: 2.15k]
  ------------------
 1384|  2.84k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 688, False: 2.15k]
  ------------------
 1385|    688|            auto data     = node->leaf();
 1386|    688|            auto newcount = count - idx;
 1387|    688|            std::move(data + idx, data + count, data);
 1388|    688|            detail::destroy_n(data + newcount, idx);
 1389|    688|            return std::make_tuple(0, node);
 1390|  2.15k|        } else {
 1391|  2.15k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  2.15k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 2.15k, Folded]
  ------------------
 1393|  2.15k|                pos.visit(dec_visitor{});
 1394|  2.15k|            return std::make_tuple(0, newn);
 1395|  2.15k|        }
 1396|  2.84k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  1.56k|    {
 1304|  1.56k|        auto idx    = pos.subindex(first);
 1305|  1.56k|        auto count  = pos.count();
 1306|  1.56k|        auto node   = pos.node();
 1307|  1.56k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [True: 0, Folded]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|  1.56k|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 640, False: 920]
  ------------------
 1312|  1.56k|        auto left_size          = pos.size_before(idx);
 1313|  1.56k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.56k|        auto dropped_size       = first;
 1315|  1.56k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.56k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 1.56k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 0, Folded]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  1.56k|        } else {
 1325|  1.56k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.56k|            auto newcount = count - idx;
 1330|  1.56k|            auto newn =
 1331|  1.56k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 640, False: 920]
  ------------------
 1332|    640|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|    640|                                                     norefs_tag{})) relaxed_t,
 1334|    640|                          node)
 1335|  1.56k|                       : node_t::make_inner_r_e(e);
 1336|  1.56k|            auto newr = newn->relaxed();
 1337|  1.56k|            IMMER_TRY {
  ------------------
  |  |   49|  1.56k|#define IMMER_TRY try
  ------------------
 1338|  1.56k|                auto subs =
 1339|  1.56k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 640, False: 920]
  ------------------
 1340|  1.56k|                           : pos.towards_sub_oh(
 1341|    920|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.56k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 640, False: 920]
  ------------------
 1343|    640|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.56k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.56k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.56k, False: 0]
  ------------------
 1346|  1.56k|                pos.copy_sizes(
 1347|  1.56k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.56k|                newr->d.count    = newcount;
 1349|  1.56k|                newn->inner()[0] = get<1>(subs);
 1350|  1.56k|                std::copy(node->inner() + idx + 1,
 1351|  1.56k|                          node->inner() + count,
 1352|  1.56k|                          newn->inner() + 1);
 1353|  1.56k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 920, False: 640]
  ------------------
 1354|    920|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|    920|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 920, Folded]
  ------------------
 1356|    920|                        pos.visit(dec_visitor{});
 1357|    920|                }
 1358|  1.56k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.56k|            }
 1360|  1.56k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.56k|        }
 1373|  1.56k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  6.97k|    {
 1378|  6.97k|        auto node   = pos.node();
 1379|  6.97k|        auto idx    = pos.index(first);
 1380|  6.97k|        auto count  = pos.count();
 1381|  6.97k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [Folded, False: 6.97k]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|      0|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 0, False: 0]
  ------------------
 1384|  6.97k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 0, False: 6.97k]
  ------------------
 1385|      0|            auto data     = node->leaf();
 1386|      0|            auto newcount = count - idx;
 1387|      0|            std::move(data + idx, data + count, data);
 1388|      0|            detail::destroy_n(data + newcount, idx);
 1389|      0|            return std::make_tuple(0, node);
 1390|  6.97k|        } else {
 1391|  6.97k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  6.97k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [Folded, False: 6.97k]
  ------------------
 1393|      0|                pos.visit(dec_visitor{});
 1394|  6.97k|            return std::make_tuple(0, newn);
 1395|  6.97k|        }
 1396|  6.97k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  1.72k|    {
 1304|  1.72k|        auto idx    = pos.subindex(first);
 1305|  1.72k|        auto count  = pos.count();
 1306|  1.72k|        auto node   = pos.node();
 1307|  1.72k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 1.72k]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  1.72k|        auto left_size          = pos.size_before(idx);
 1313|  1.72k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.72k|        auto dropped_size       = first;
 1315|  1.72k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.72k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 1.72k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 0]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  1.72k|        } else {
 1325|  1.72k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.72k|            auto newcount = count - idx;
 1330|  1.72k|            auto newn =
 1331|  1.72k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.72k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.72k|                       : node_t::make_inner_r_e(e);
 1336|  1.72k|            auto newr = newn->relaxed();
 1337|  1.72k|            IMMER_TRY {
  ------------------
  |  |   49|  1.72k|#define IMMER_TRY try
  ------------------
 1338|  1.72k|                auto subs =
 1339|  1.72k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.72k]
  ------------------
 1340|  1.72k|                           : pos.towards_sub_oh(
 1341|  1.72k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.72k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.72k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.72k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.72k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.72k, False: 0]
  ------------------
 1346|  1.72k|                pos.copy_sizes(
 1347|  1.72k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.72k|                newr->d.count    = newcount;
 1349|  1.72k|                newn->inner()[0] = get<1>(subs);
 1350|  1.72k|                std::copy(node->inner() + idx + 1,
 1351|  1.72k|                          node->inner() + count,
 1352|  1.72k|                          newn->inner() + 1);
 1353|  1.72k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.72k, False: 0]
  ------------------
 1354|  1.72k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.72k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 1.72k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  1.72k|                }
 1358|  1.72k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.72k|            }
 1360|  1.72k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.72k|        }
 1373|  1.72k|    }
_ZN5immer6detail4rbts16dec_left_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_j:
 1209|  2.22k|    {
 1210|  2.22k|        using node_t = node_type<Pos>;
 1211|  2.22k|        auto node    = p.node();
 1212|  2.22k|        if (node->dec()) {
  ------------------
  |  Branch (1212:13): [True: 2.22k, False: 0]
  ------------------
 1213|  2.22k|            p.each_left(dec_t{}, idx);
 1214|  2.22k|            node_t::delete_inner(node, p.count());
 1215|  2.22k|        }
 1216|  2.22k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  3.83k|    {
 1378|  3.83k|        auto node   = pos.node();
 1379|  3.83k|        auto idx    = pos.index(first);
 1380|  3.83k|        auto count  = pos.count();
 1381|  3.83k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [True: 0, Folded]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|  3.83k|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 1.56k, False: 2.26k]
  ------------------
 1384|  3.83k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 1.56k, False: 2.26k]
  ------------------
 1385|  1.56k|            auto data     = node->leaf();
 1386|  1.56k|            auto newcount = count - idx;
 1387|  1.56k|            std::move(data + idx, data + count, data);
 1388|  1.56k|            detail::destroy_n(data + newcount, idx);
 1389|  1.56k|            return std::make_tuple(0, node);
 1390|  2.26k|        } else {
 1391|  2.26k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  2.26k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 2.26k, Folded]
  ------------------
 1393|  2.26k|                pos.visit(dec_visitor{});
 1394|  2.26k|            return std::make_tuple(0, newn);
 1395|  2.26k|        }
 1396|  3.83k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  1.64k|    {
 1304|  1.64k|        auto idx    = pos.subindex(first);
 1305|  1.64k|        auto count  = pos.count();
 1306|  1.64k|        auto node   = pos.node();
 1307|  1.64k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [True: 0, Folded]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|  1.64k|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 392, False: 1.25k]
  ------------------
 1312|  1.64k|        auto left_size          = pos.size_before(idx);
 1313|  1.64k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.64k|        auto dropped_size       = first;
 1315|  1.64k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.64k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 1.64k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 0, Folded]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  1.64k|        } else {
 1325|  1.64k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.64k|            auto newcount = count - idx;
 1330|  1.64k|            auto newn =
 1331|  1.64k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 392, False: 1.25k]
  ------------------
 1332|    392|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|    392|                                                     norefs_tag{})) relaxed_t,
 1334|    392|                          node)
 1335|  1.64k|                       : node_t::make_inner_r_e(e);
 1336|  1.64k|            auto newr = newn->relaxed();
 1337|  1.64k|            IMMER_TRY {
  ------------------
  |  |   49|  1.64k|#define IMMER_TRY try
  ------------------
 1338|  1.64k|                auto subs =
 1339|  1.64k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 392, False: 1.25k]
  ------------------
 1340|  1.64k|                           : pos.towards_sub_oh(
 1341|  1.25k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.64k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 392, False: 1.25k]
  ------------------
 1343|    392|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.64k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.64k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.64k, False: 0]
  ------------------
 1346|  1.64k|                pos.copy_sizes(
 1347|  1.64k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.64k|                newr->d.count    = newcount;
 1349|  1.64k|                newn->inner()[0] = get<1>(subs);
 1350|  1.64k|                std::copy(node->inner() + idx + 1,
 1351|  1.64k|                          node->inner() + count,
 1352|  1.64k|                          newn->inner() + 1);
 1353|  1.64k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.25k, False: 392]
  ------------------
 1354|  1.25k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.25k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 1.25k, Folded]
  ------------------
 1356|  1.25k|                        pos.visit(dec_visitor{});
 1357|  1.25k|                }
 1358|  1.64k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.64k|            }
 1360|  1.64k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.64k|        }
 1373|  1.64k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  49.6k|    {
 1378|  49.6k|        auto node   = pos.node();
 1379|  49.6k|        auto idx    = pos.index(first);
 1380|  49.6k|        auto count  = pos.count();
 1381|  49.6k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [Folded, False: 49.6k]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|      0|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 0, False: 0]
  ------------------
 1384|  49.6k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 0, False: 49.6k]
  ------------------
 1385|      0|            auto data     = node->leaf();
 1386|      0|            auto newcount = count - idx;
 1387|      0|            std::move(data + idx, data + count, data);
 1388|      0|            detail::destroy_n(data + newcount, idx);
 1389|      0|            return std::make_tuple(0, node);
 1390|  49.6k|        } else {
 1391|  49.6k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  49.6k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [Folded, False: 49.6k]
  ------------------
 1393|      0|                pos.visit(dec_visitor{});
 1394|  49.6k|            return std::make_tuple(0, newn);
 1395|  49.6k|        }
 1396|  49.6k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  1.07k|    {
 1304|  1.07k|        auto idx    = pos.subindex(first);
 1305|  1.07k|        auto count  = pos.count();
 1306|  1.07k|        auto node   = pos.node();
 1307|  1.07k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 1.07k]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  1.07k|        auto left_size          = pos.size_before(idx);
 1313|  1.07k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.07k|        auto dropped_size       = first;
 1315|  1.07k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.07k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 1.07k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 0]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  1.07k|        } else {
 1325|  1.07k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.07k|            auto newcount = count - idx;
 1330|  1.07k|            auto newn =
 1331|  1.07k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.07k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.07k|                       : node_t::make_inner_r_e(e);
 1336|  1.07k|            auto newr = newn->relaxed();
 1337|  1.07k|            IMMER_TRY {
  ------------------
  |  |   49|  1.07k|#define IMMER_TRY try
  ------------------
 1338|  1.07k|                auto subs =
 1339|  1.07k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.07k]
  ------------------
 1340|  1.07k|                           : pos.towards_sub_oh(
 1341|  1.07k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.07k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.07k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.07k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.07k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.07k, False: 0]
  ------------------
 1346|  1.07k|                pos.copy_sizes(
 1347|  1.07k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.07k|                newr->d.count    = newcount;
 1349|  1.07k|                newn->inner()[0] = get<1>(subs);
 1350|  1.07k|                std::copy(node->inner() + idx + 1,
 1351|  1.07k|                          node->inner() + count,
 1352|  1.07k|                          newn->inner() + 1);
 1353|  1.07k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.07k, False: 0]
  ------------------
 1354|  1.07k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.07k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 1.07k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  1.07k|                }
 1358|  1.07k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.07k|            }
 1360|  1.07k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.07k|        }
 1373|  1.07k|    }
_ZN5immer6detail4rbts16dec_left_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEvOT_j:
 1198|  2.12k|    {
 1199|  2.12k|        using node_t = node_type<Pos>;
 1200|  2.12k|        auto node    = p.node();
 1201|  2.12k|        if (node->dec()) {
  ------------------
  |  Branch (1201:13): [True: 2.12k, False: 0]
  ------------------
 1202|  2.12k|            p.each_left(dec_t{}, idx);
 1203|  2.12k|            node_t::delete_inner_r(node, p.count());
 1204|  2.12k|        }
 1205|  2.12k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|   166k|    {
 1247|   166k|        auto idx                = pos.subindex(first);
 1248|   166k|        auto count              = pos.count();
 1249|   166k|        auto node               = pos.node();
 1250|   166k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [True: 166k, Folded]
  |  Branch (1250:47): [True: 128k, False: 38.0k]
  ------------------
 1251|   166k|        auto left_size          = pos.size_before(idx);
 1252|   166k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|   166k|        auto dropped_size       = first;
 1254|   166k|        auto child_dropped_size = dropped_size - left_size;
 1255|   166k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [Folded, False: 166k]
  |  Branch (1255:25): [True: 0, False: 0]
  |  Branch (1255:45): [True: 0, False: 0]
  ------------------
 1256|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 0, False: 0]
  ------------------
 1257|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|      0|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 0, False: 0]
  ------------------
 1259|      0|                pos.visit(dec_left_visitor{}, idx);
 1260|      0|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [True: 0, Folded]
  ------------------
 1261|      0|                pos.visit(dec_visitor{});
 1262|      0|            return r;
 1263|   166k|        } else {
 1264|   166k|            using std::get;
 1265|   166k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 128k, False: 38.0k]
  ------------------
 1266|   166k|                                   : node_t::make_inner_r_e(e);
 1267|   166k|            auto newr     = newn->relaxed();
 1268|   166k|            auto newcount = count - idx;
 1269|   166k|            auto new_child_size = child_size - child_dropped_size;
 1270|   166k|            IMMER_TRY {
  ------------------
  |  |   49|   166k|#define IMMER_TRY try
  ------------------
 1271|   166k|                auto subs =
 1272|   166k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 128k, False: 38.0k]
  ------------------
 1273|   166k|                           : pos.towards_sub_oh(
 1274|  38.0k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|   166k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 128k, False: 38.0k]
  ------------------
 1276|   128k|                    pos.each_left(dec_visitor{}, idx);
 1277|   166k|                pos.copy_sizes(
 1278|   166k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|   166k|                std::copy(node->inner() + idx + 1,
 1280|   166k|                          node->inner() + count,
 1281|   166k|                          newn->inner() + 1);
 1282|   166k|                newn->inner()[0] = get<1>(subs);
 1283|   166k|                newr->d.sizes[0] = new_child_size;
 1284|   166k|                newr->d.count    = newcount;
 1285|   166k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 166k, False: 0]
  ------------------
 1286|   166k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 38.0k, False: 128k]
  ------------------
 1287|  38.0k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  38.0k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [True: 38.0k, Folded]
  ------------------
 1289|  38.0k|                        pos.visit(dec_visitor{});
 1290|  38.0k|                }
 1291|   166k|                return std::make_tuple(pos.shift(), newn);
 1292|   166k|            }
 1293|   166k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|   166k|        }
 1299|   166k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|  84.1k|    {
 1247|  84.1k|        auto idx                = pos.subindex(first);
 1248|  84.1k|        auto count              = pos.count();
 1249|  84.1k|        auto node               = pos.node();
 1250|  84.1k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [Folded, False: 84.1k]
  |  Branch (1250:47): [True: 0, False: 0]
  ------------------
 1251|  84.1k|        auto left_size          = pos.size_before(idx);
 1252|  84.1k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  84.1k|        auto dropped_size       = first;
 1254|  84.1k|        auto child_dropped_size = dropped_size - left_size;
 1255|  84.1k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [Folded, False: 84.1k]
  |  Branch (1255:25): [True: 0, False: 0]
  |  Branch (1255:45): [True: 0, False: 0]
  ------------------
 1256|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 0, False: 0]
  ------------------
 1257|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|      0|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 0, False: 0]
  ------------------
 1259|      0|                pos.visit(dec_left_visitor{}, idx);
 1260|      0|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [Folded, False: 0]
  ------------------
 1261|      0|                pos.visit(dec_visitor{});
 1262|      0|            return r;
 1263|  84.1k|        } else {
 1264|  84.1k|            using std::get;
 1265|  84.1k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 0, False: 84.1k]
  ------------------
 1266|  84.1k|                                   : node_t::make_inner_r_e(e);
 1267|  84.1k|            auto newr     = newn->relaxed();
 1268|  84.1k|            auto newcount = count - idx;
 1269|  84.1k|            auto new_child_size = child_size - child_dropped_size;
 1270|  84.1k|            IMMER_TRY {
  ------------------
  |  |   49|  84.1k|#define IMMER_TRY try
  ------------------
 1271|  84.1k|                auto subs =
 1272|  84.1k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 0, False: 84.1k]
  ------------------
 1273|  84.1k|                           : pos.towards_sub_oh(
 1274|  84.1k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  84.1k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 0, False: 84.1k]
  ------------------
 1276|      0|                    pos.each_left(dec_visitor{}, idx);
 1277|  84.1k|                pos.copy_sizes(
 1278|  84.1k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  84.1k|                std::copy(node->inner() + idx + 1,
 1280|  84.1k|                          node->inner() + count,
 1281|  84.1k|                          newn->inner() + 1);
 1282|  84.1k|                newn->inner()[0] = get<1>(subs);
 1283|  84.1k|                newr->d.sizes[0] = new_child_size;
 1284|  84.1k|                newr->d.count    = newcount;
 1285|  84.1k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 84.1k, False: 0]
  ------------------
 1286|  84.1k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 84.1k, False: 0]
  ------------------
 1287|  84.1k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  84.1k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [Folded, False: 84.1k]
  ------------------
 1289|      0|                        pos.visit(dec_visitor{});
 1290|  84.1k|                }
 1291|  84.1k|                return std::make_tuple(pos.shift(), newn);
 1292|  84.1k|            }
 1293|  84.1k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|  84.1k|        }
 1299|  84.1k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  6.99k|    {
 1304|  6.99k|        auto idx    = pos.subindex(first);
 1305|  6.99k|        auto count  = pos.count();
 1306|  6.99k|        auto node   = pos.node();
 1307|  6.99k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [True: 0, Folded]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|  6.99k|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 4.85k, False: 2.14k]
  ------------------
 1312|  6.99k|        auto left_size          = pos.size_before(idx);
 1313|  6.99k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  6.99k|        auto dropped_size       = first;
 1315|  6.99k|        auto child_dropped_size = dropped_size - left_size;
 1316|  6.99k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 6.99k, Folded]
  |  Branch (1316:25): [True: 4.62k, False: 2.37k]
  |  Branch (1316:45): [True: 2.95k, False: 1.67k]
  ------------------
 1317|  2.95k|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 2.22k, False: 731]
  ------------------
 1318|  2.95k|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|  2.95k|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 2.22k, False: 731]
  ------------------
 1320|  2.22k|                pos.visit(dec_left_visitor{}, idx);
 1321|    731|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 731, Folded]
  ------------------
 1322|    731|                pos.visit(dec_visitor{});
 1323|  2.95k|            return r;
 1324|  4.04k|        } else {
 1325|  4.04k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  4.04k|            auto newcount = count - idx;
 1330|  4.04k|            auto newn =
 1331|  4.04k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 2.62k, False: 1.41k]
  ------------------
 1332|  2.62k|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|  2.62k|                                                     norefs_tag{})) relaxed_t,
 1334|  2.62k|                          node)
 1335|  4.04k|                       : node_t::make_inner_r_e(e);
 1336|  4.04k|            auto newr = newn->relaxed();
 1337|  4.04k|            IMMER_TRY {
  ------------------
  |  |   49|  4.04k|#define IMMER_TRY try
  ------------------
 1338|  4.04k|                auto subs =
 1339|  4.04k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 2.62k, False: 1.41k]
  ------------------
 1340|  4.04k|                           : pos.towards_sub_oh(
 1341|  1.41k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  4.04k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 2.62k, False: 1.41k]
  ------------------
 1343|  2.62k|                    pos.each_left(dec_visitor{}, idx);
 1344|  4.04k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  4.04k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 4.04k, False: 0]
  ------------------
 1346|  4.04k|                pos.copy_sizes(
 1347|  4.04k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  4.04k|                newr->d.count    = newcount;
 1349|  4.04k|                newn->inner()[0] = get<1>(subs);
 1350|  4.04k|                std::copy(node->inner() + idx + 1,
 1351|  4.04k|                          node->inner() + count,
 1352|  4.04k|                          newn->inner() + 1);
 1353|  4.04k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.41k, False: 2.62k]
  ------------------
 1354|  1.41k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.41k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 1.41k, Folded]
  ------------------
 1356|  1.41k|                        pos.visit(dec_visitor{});
 1357|  1.41k|                }
 1358|  4.04k|                return std::make_tuple(pos.shift(), newn);
 1359|  4.04k|            }
 1360|  4.04k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  4.04k|        }
 1373|  6.99k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  1.16k|    {
 1304|  1.16k|        auto idx    = pos.subindex(first);
 1305|  1.16k|        auto count  = pos.count();
 1306|  1.16k|        auto node   = pos.node();
 1307|  1.16k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [True: 0, Folded]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|  1.16k|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [True: 0, Folded]
  |  Branch (1311:52): [True: 747, False: 419]
  ------------------
 1312|  1.16k|        auto left_size          = pos.size_before(idx);
 1313|  1.16k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.16k|        auto dropped_size       = first;
 1315|  1.16k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.16k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 1.16k, Folded]
  |  Branch (1316:25): [True: 201, False: 965]
  |  Branch (1316:45): [True: 0, False: 201]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 0, Folded]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  1.16k|        } else {
 1325|  1.16k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.16k|            auto newcount = count - idx;
 1330|  1.16k|            auto newn =
 1331|  1.16k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 747, False: 419]
  ------------------
 1332|    747|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|    747|                                                     norefs_tag{})) relaxed_t,
 1334|    747|                          node)
 1335|  1.16k|                       : node_t::make_inner_r_e(e);
 1336|  1.16k|            auto newr = newn->relaxed();
 1337|  1.16k|            IMMER_TRY {
  ------------------
  |  |   49|  1.16k|#define IMMER_TRY try
  ------------------
 1338|  1.16k|                auto subs =
 1339|  1.16k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 747, False: 419]
  ------------------
 1340|  1.16k|                           : pos.towards_sub_oh(
 1341|    419|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.16k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 747, False: 419]
  ------------------
 1343|    747|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.16k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.16k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.16k, False: 0]
  ------------------
 1346|  1.16k|                pos.copy_sizes(
 1347|  1.16k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.16k|                newr->d.count    = newcount;
 1349|  1.16k|                newn->inner()[0] = get<1>(subs);
 1350|  1.16k|                std::copy(node->inner() + idx + 1,
 1351|  1.16k|                          node->inner() + count,
 1352|  1.16k|                          newn->inner() + 1);
 1353|  1.16k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 419, False: 747]
  ------------------
 1354|    419|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|    419|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 419, Folded]
  ------------------
 1356|    419|                        pos.visit(dec_visitor{});
 1357|    419|                }
 1358|  1.16k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.16k|            }
 1360|  1.16k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.16k|        }
 1373|  1.16k|    }
_ZN5immer6detail4rbts14equals_visitor3rrb10visit_nodeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSE_Lj3ELj3EEESF_EEbOT_OT0_PT1_jm:
  349|  11.4k|        {
  350|  11.4k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 11.4k, False: 0]
  ------------------
  351|  11.4k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 10.6k, False: 800]
  ------------------
  352|  11.4k|                       ? visit_maybe_relaxed_sub(rootl,
  353|  10.6k|                                                 shiftl,
  354|  10.6k|                                                 sizel,
  355|  10.6k|                                                 this_t{},
  356|  10.6k|                                                 posr,
  357|  10.6k|                                                 first,
  358|  10.6k|                                                 size_t{})
  359|  11.4k|                       : posr.first_sub_inner(
  360|    800|                             rrb{}, first, rootl, shiftl, sizel);
  361|  11.4k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESG_RNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  29.4k|    {
  383|  29.4k|        auto nl = posl.node();
  384|  29.4k|        auto nr = posr.node();
  385|  29.4k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 10.0k, False: 19.3k]
  ------------------
  386|  10.0k|            return true;
  387|  19.3k|        auto cl = posl.count();
  388|  19.3k|        auto cr = posr.count();
  389|  19.3k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 19.3k, False: 0]
  ------------------
  390|  19.3k|        auto sbr = size_t{};
  391|  19.3k|        auto i   = count_t{};
  392|  19.3k|        auto j   = count_t{};
  393|   100k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 88.4k, False: 12.3k]
  ------------------
  394|  88.4k|            auto sbl = posl.size_before(i);
  395|   157k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 138k, False: 18.9k]
  |  Branch (395:34): [True: 68.7k, False: 69.4k]
  ------------------
  396|  68.7k|                ;
  397|  88.4k|            auto res =
  398|  88.4k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 42.9k, False: 45.5k]
  ------------------
  399|  88.4k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  88.4k|                    : posl.nth_sub(i,
  401|  45.5k|                                   for_each_chunk_p_visitor{},
  402|  45.5k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  88.4k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 7.04k, False: 81.4k]
  ------------------
  404|  7.04k|                return false;
  405|  88.4k|        }
  406|  12.3k|        return true;
  407|  19.3k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  18.9k|        {
  337|  18.9k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  18.9k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESG_RNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  427|  19.7k|    {
  428|  19.7k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 12.7k, False: 6.94k]
  ------------------
  429|  12.7k|            return true;
  430|  6.94k|        auto cl = posl.count();
  431|  6.94k|        auto cr = posr.count();
  432|  6.94k|        auto mp = std::min(cl, cr);
  433|  6.94k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 5.60k, False: 1.33k]
  ------------------
  434|  6.94k|                          posl.node()->leaf() + mp,
  435|  6.94k|                          posr.node()->leaf()) &&
  436|  5.60k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 5.37k, False: 227]
  ------------------
  437|  5.60k|                          posl.node()->leaf() + posl.count(),
  438|  5.60k|                          first + (idx + mp));
  439|  19.7k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESH_RNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  21.6k|        {
  330|  21.6k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  21.6k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIX12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  412|  4.10k|    {
  413|  4.10k|        return this_t::visit_relaxed(posl, posr, first, idx);
  414|  4.10k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  4.10k|    {
  383|  4.10k|        auto nl = posl.node();
  384|  4.10k|        auto nr = posr.node();
  385|  4.10k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 4.10k]
  ------------------
  386|      0|            return true;
  387|  4.10k|        auto cl = posl.count();
  388|  4.10k|        auto cr = posr.count();
  389|  4.10k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 4.10k, False: 0]
  ------------------
  390|  4.10k|        auto sbr = size_t{};
  391|  4.10k|        auto i   = count_t{};
  392|  4.10k|        auto j   = count_t{};
  393|  12.4k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 10.0k, False: 2.42k]
  ------------------
  394|  10.0k|            auto sbl = posl.size_before(i);
  395|  15.8k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 13.0k, False: 2.87k]
  |  Branch (395:34): [True: 5.87k, False: 7.14k]
  ------------------
  396|  5.87k|                ;
  397|  10.0k|            auto res =
  398|  10.0k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 6.67k, False: 3.34k]
  ------------------
  399|  10.0k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  10.0k|                    : posl.nth_sub(i,
  401|  3.34k|                                   for_each_chunk_p_visitor{},
  402|  3.34k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  10.0k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 1.68k, False: 8.34k]
  ------------------
  404|  1.68k|                return false;
  405|  10.0k|        }
  406|  2.42k|        return true;
  407|  4.10k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  3.96k|        {
  337|  3.96k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  3.96k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_12leaf_sub_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  427|  10.8k|    {
  428|  10.8k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 8.57k, False: 2.31k]
  ------------------
  429|  8.57k|            return true;
  430|  2.31k|        auto cl = posl.count();
  431|  2.31k|        auto cr = posr.count();
  432|  2.31k|        auto mp = std::min(cl, cr);
  433|  2.31k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 1.88k, False: 432]
  ------------------
  434|  2.31k|                          posl.node()->leaf() + mp,
  435|  2.31k|                          posr.node()->leaf()) &&
  436|  1.88k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 1.66k, False: 225]
  ------------------
  437|  1.88k|                          posl.node()->leaf() + posl.count(),
  438|  1.88k|                          first + (idx + mp));
  439|  10.8k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  2.15k|        {
  330|  2.15k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  2.15k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIX12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  412|  2.14k|    {
  413|  2.14k|        return this_t::visit_relaxed(posl, posr, first, idx);
  414|  2.14k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  2.14k|    {
  383|  2.14k|        auto nl = posl.node();
  384|  2.14k|        auto nr = posr.node();
  385|  2.14k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 2.14k]
  ------------------
  386|      0|            return true;
  387|  2.14k|        auto cl = posl.count();
  388|  2.14k|        auto cr = posr.count();
  389|  2.14k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 2.14k, False: 0]
  ------------------
  390|  2.14k|        auto sbr = size_t{};
  391|  2.14k|        auto i   = count_t{};
  392|  2.14k|        auto j   = count_t{};
  393|  16.2k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 14.5k, False: 1.73k]
  ------------------
  394|  14.5k|            auto sbl = posl.size_before(i);
  395|  24.7k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 20.1k, False: 4.59k]
  |  Branch (395:34): [True: 10.1k, False: 9.94k]
  ------------------
  396|  10.1k|                ;
  397|  14.5k|            auto res =
  398|  14.5k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 9.02k, False: 5.52k]
  ------------------
  399|  14.5k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  14.5k|                    : posl.nth_sub(i,
  401|  5.52k|                                   for_each_chunk_p_visitor{},
  402|  5.52k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  14.5k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 410, False: 14.1k]
  ------------------
  404|    410|                return false;
  405|  14.5k|        }
  406|  1.73k|        return true;
  407|  2.14k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  7.73k|        {
  337|  7.73k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  7.73k|        }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|    458|        {
  330|    458|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    458|        }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|    829|        {
  330|    829|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    829|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIXnt12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  419|  1.38k|    {
  420|  1.38k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 1.38k, False: 0]
  ------------------
  421|  1.38k|                   ? this_t::visit_regular(posl, posr.node())
  422|  1.38k|                   : this_t::visit_regular(posr, posl.node());
  423|  1.38k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  26.7k|    {
  444|  26.7k|        auto node = pos.node();
  445|  26.7k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 17.8k, False: 8.84k]
  |  Branch (445:33): [True: 3.62k, False: 5.21k]
  ------------------
  446|  26.7k|    }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  33.8k|    {
  451|  33.8k|        auto node = pos.node();
  452|  33.8k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 22.1k, False: 11.6k]
  |  Branch (452:33): [True: 7.18k, False: 4.50k]
  ------------------
  453|  11.6k|                                           node->leaf() + pos.count(),
  454|  11.6k|                                           other->leaf());
  455|  33.8k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  12.2k|    {
  444|  12.2k|        auto node = pos.node();
  445|  12.2k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 4.01k, False: 8.24k]
  |  Branch (445:33): [True: 3.38k, False: 4.85k]
  ------------------
  446|  12.2k|    }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  3.27k|    {
  451|  3.27k|        auto node = pos.node();
  452|  3.27k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 1.82k, False: 1.45k]
  |  Branch (452:33): [True: 712, False: 738]
  ------------------
  453|  1.45k|                                           node->leaf() + pos.count(),
  454|  1.45k|                                           other->leaf());
  455|  3.27k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  4.97k|    {
  444|  4.97k|        auto node = pos.node();
  445|  4.97k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 849, False: 4.13k]
  |  Branch (445:33): [True: 2.98k, False: 1.14k]
  ------------------
  446|  4.97k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  112|   376k|    {
  113|   376k|        auto data = as_const(pos.node()->leaf());
  114|   376k|        return fn(data, data + pos.count());
  115|   376k|    }
_ZZN5immer6detail4rbts14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaOT_ENUlSE_T0_E_clIPKiSK_EEDaSE_SG_:
  367|  1.54M|        return [iter](auto f, auto e) mutable {
  368|  1.54M|            if (f == &*iter) {
  ------------------
  |  Branch (368:17): [True: 160k, False: 1.38M]
  ------------------
  369|   160k|                iter += e - f;
  370|   160k|                return true;
  371|   160k|            }
  372|  11.6M|            for (; f != e; ++f, ++iter)
  ------------------
  |  Branch (372:20): [True: 10.2M, False: 1.37M]
  ------------------
  373|  10.2M|                if (*f != *iter)
  ------------------
  |  Branch (373:21): [True: 2.78k, False: 10.2M]
  ------------------
  374|  2.78k|                    return false;
  375|  1.37M|            return true;
  376|  1.38M|        };
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|  5.73M|    {
   54|  5.73M|        return pos.towards(this_t{}, idx);
   55|  5.73M|    }
_ZN5immer6detail4rbts18region_for_visitorIiE10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   59|  1.19M|    {
   60|  1.19M|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|  1.19M|    }
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|   403k|    {
   54|   403k|        return pos.towards(this_t{}, idx);
   55|   403k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   59|   384k|    {
   60|   384k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|   384k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|   622k|    {
   54|   622k|        return pos.towards(this_t{}, idx);
   55|   622k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   59|  18.9k|    {
   60|  18.9k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|  18.9k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|  59.1k|    {
   54|  59.1k|        return pos.towards(this_t{}, idx);
   55|  59.1k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|  41.6k|    {
  107|  41.6k|        return pos.each_pred(this_t{}, fn);
  108|  41.6k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESH_RNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|    558|        {
  330|    558|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    558|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESG_RNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIXnt12is_relaxed_vIT0_EEbE4typeEOT_OSM_OT1_m:
  419|  11.3k|    {
  420|  11.3k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 11.3k, False: 0]
  ------------------
  421|  11.3k|                   ? this_t::visit_regular(posl, posr.node())
  422|  11.3k|                   : this_t::visit_regular(posr, posl.node());
  423|  11.3k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  112|  1.15M|    {
  113|  1.15M|        auto data = as_const(pos.node()->leaf());
  114|  1.15M|        return fn(data, data + pos.count());
  115|  1.15M|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|  14.0k|    {
  107|  14.0k|        return pos.each_pred(this_t{}, fn);
  108|  14.0k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  112|  12.7k|    {
  113|  12.7k|        auto data = as_const(pos.node()->leaf());
  114|  12.7k|        return fn(data, data + pos.count());
  115|  12.7k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|  5.16k|    {
  107|  5.16k|        return pos.each_pred(this_t{}, fn);
  108|  5.16k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  2.89k|        {
  330|  2.89k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  2.89k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  2.34k|    {
  383|  2.34k|        auto nl = posl.node();
  384|  2.34k|        auto nr = posr.node();
  385|  2.34k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 2.34k]
  ------------------
  386|      0|            return true;
  387|  2.34k|        auto cl = posl.count();
  388|  2.34k|        auto cr = posr.count();
  389|  2.34k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 2.34k, False: 0]
  ------------------
  390|  2.34k|        auto sbr = size_t{};
  391|  2.34k|        auto i   = count_t{};
  392|  2.34k|        auto j   = count_t{};
  393|  8.65k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 7.48k, False: 1.17k]
  ------------------
  394|  7.48k|            auto sbl = posl.size_before(i);
  395|  11.9k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 9.63k, False: 2.28k]
  |  Branch (395:34): [True: 4.44k, False: 5.19k]
  ------------------
  396|  4.44k|                ;
  397|  7.48k|            auto res =
  398|  7.48k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 4.43k, False: 3.04k]
  ------------------
  399|  7.48k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  7.48k|                    : posl.nth_sub(i,
  401|  3.04k|                                   for_each_chunk_p_visitor{},
  402|  3.04k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  7.48k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 1.16k, False: 6.31k]
  ------------------
  404|  1.16k|                return false;
  405|  7.48k|        }
  406|  1.17k|        return true;
  407|  2.34k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  5.92k|        {
  337|  5.92k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  5.92k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_13full_leaf_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  427|  5.92k|    {
  428|  5.92k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 4.45k, False: 1.46k]
  ------------------
  429|  4.45k|            return true;
  430|  1.46k|        auto cl = posl.count();
  431|  1.46k|        auto cr = posr.count();
  432|  1.46k|        auto mp = std::min(cl, cr);
  433|  1.46k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 1.15k, False: 310]
  ------------------
  434|  1.46k|                          posl.node()->leaf() + mp,
  435|  1.46k|                          posr.node()->leaf()) &&
  436|  1.15k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 1.15k, False: 0]
  ------------------
  437|  1.15k|                          posl.node()->leaf() + posl.count(),
  438|  1.15k|                          first + (idx + mp));
  439|  5.92k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  2.03k|        {
  330|  2.03k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  2.03k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  1.16k|    {
  383|  1.16k|        auto nl = posl.node();
  384|  1.16k|        auto nr = posr.node();
  385|  1.16k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 1.16k]
  ------------------
  386|      0|            return true;
  387|  1.16k|        auto cl = posl.count();
  388|  1.16k|        auto cr = posr.count();
  389|  1.16k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 1.16k, False: 0]
  ------------------
  390|  1.16k|        auto sbr = size_t{};
  391|  1.16k|        auto i   = count_t{};
  392|  1.16k|        auto j   = count_t{};
  393|  8.12k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 7.22k, False: 903]
  ------------------
  394|  7.22k|            auto sbl = posl.size_before(i);
  395|  13.2k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 12.4k, False: 763]
  |  Branch (395:34): [True: 6.01k, False: 6.45k]
  ------------------
  396|  6.01k|                ;
  397|  7.22k|            auto res =
  398|  7.22k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 4.03k, False: 3.19k]
  ------------------
  399|  7.22k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  7.22k|                    : posl.nth_sub(i,
  401|  3.19k|                                   for_each_chunk_p_visitor{},
  402|  3.19k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  7.22k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 262, False: 6.96k]
  ------------------
  404|    262|                return false;
  405|  7.22k|        }
  406|    903|        return true;
  407|  1.16k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_8full_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIXnt12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  419|    866|    {
  420|    866|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 866, False: 0]
  ------------------
  421|    866|                   ? this_t::visit_regular(posl, posr.node())
  422|    866|                   : this_t::visit_regular(posr, posl.node());
  423|    866|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|   172k|    {
  107|   172k|        return pos.each_pred(this_t{}, fn);
  108|   172k|    }
_ZN5immer6detail4rbts14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaOT_:
  366|  60.6k|    {
  367|  60.6k|        return [iter](auto f, auto e) mutable {
  368|  60.6k|            if (f == &*iter) {
  369|  60.6k|                iter += e - f;
  370|  60.6k|                return true;
  371|  60.6k|            }
  372|  60.6k|            for (; f != e; ++f, ++iter)
  373|  60.6k|                if (*f != *iter)
  374|  60.6k|                    return false;
  375|  60.6k|            return true;
  376|  60.6k|        };
  377|  60.6k|    }
_ZN5immer6detail4rbts14equals_visitor3rrb10visit_nodeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEESF_EEbOT_OT0_PT1_jm:
  349|  1.06k|        {
  350|  1.06k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 1.06k, False: 0]
  ------------------
  351|  1.06k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 800, False: 261]
  ------------------
  352|  1.06k|                       ? visit_maybe_relaxed_sub(rootl,
  353|    800|                                                 shiftl,
  354|    800|                                                 sizel,
  355|    800|                                                 this_t{},
  356|    800|                                                 posr,
  357|    800|                                                 first,
  358|    800|                                                 size_t{})
  359|  1.06k|                       : posr.first_sub_inner(
  360|    261|                             rrb{}, first, rootl, shiftl, sizel);
  361|  1.06k|        }
_ZN5immer6detail4rbts14equals_visitor3rrb10visit_nodeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSE_Lj3ELj3EEESF_EEbOT_OT0_PT1_jm:
  349|  10.8k|        {
  350|  10.8k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 10.8k, False: 0]
  ------------------
  351|  10.8k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 10.8k, False: 0]
  ------------------
  352|  10.8k|                       ? visit_maybe_relaxed_sub(rootl,
  353|  10.8k|                                                 shiftl,
  354|  10.8k|                                                 sizel,
  355|  10.8k|                                                 this_t{},
  356|  10.8k|                                                 posr,
  357|  10.8k|                                                 first,
  358|  10.8k|                                                 size_t{})
  359|  10.8k|                       : posr.first_sub_inner(
  360|      0|                             rrb{}, first, rootl, shiftl, sizel);
  361|  10.8k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  7.90k|    {
  451|  7.90k|        auto node = pos.node();
  452|  7.90k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 1.59k, False: 6.31k]
  |  Branch (452:33): [True: 1.95k, False: 4.35k]
  ------------------
  453|  6.31k|                                           node->leaf() + pos.count(),
  454|  6.31k|                                           other->leaf());
  455|  7.90k|    }

_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_11dec_visitorEJEEEDcPT_jmT0_DpOT1_:
 1838|   233M|{
 1839|   233M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 233M, False: 0]
  ------------------
 1840|   233M|    auto relaxed = node->relaxed();
 1841|   233M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 216M, False: 16.3M]
  ------------------
 1842|   216M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 216M, False: 0]
  ------------------
 1843|   216M|        return make_relaxed_pos(node, shift, relaxed)
 1844|   216M|            .visit(v, std::forward<Args>(args)...);
 1845|   216M|    } else {
 1846|  16.3M|        return make_regular_sub_pos(node, shift, size)
 1847|  16.3M|            .visit(v, std::forward<Args>(args)...);
 1848|  16.3M|    }
 1849|   233M|}
_ZN5immer6detail4rbts16make_relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jPNSE_9relaxed_tE:
 1828|   609M|{
 1829|   609M|    assert(node);
  ------------------
  |  Branch (1829:5): [True: 609M, False: 0]
  ------------------
 1830|   609M|    assert(relaxed);
  ------------------
  |  Branch (1830:5): [True: 609M, False: 0]
  ------------------
 1831|   609M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1831:5): [True: 609M, False: 0]
  ------------------
 1832|   609M|    return {node, shift, relaxed};
 1833|   609M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1813|   246M|    {
 1814|   246M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   246M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
 1431|   411M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
 1476|  48.3M|    {
 1477|  48.3M|        each_left(v, relaxed_->d.count, args...);
 1478|  48.3M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1623|  48.5M|    {
 1624|  48.5M|        auto p = node_->inner();
 1625|  48.5M|        auto s = size_t{};
 1626|  48.5M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 11.2M, False: 37.2M]
  ------------------
 1627|  91.9M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 80.6M, False: 11.2M]
  ------------------
 1628|  80.6M|                IMMER_PREFETCH(p + i + 1);
 1629|  80.6M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  80.6M|                    .visit(v, args...);
 1631|  80.6M|                s = relaxed_->d.sizes[i];
 1632|  80.6M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 80.6M, False: 0]
  ------------------
 1633|  80.6M|            }
 1634|  37.2M|        } else {
 1635|  37.2M|            auto ss = shift_ - B;
 1636|   267M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 230M, False: 37.2M]
  ------------------
 1637|   230M|                visit_maybe_relaxed_sub(
 1638|   230M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|   230M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 230M, False: 0]
  ------------------
 1641|   230M|            }
 1642|  37.2M|        }
 1643|  48.5M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
 1430|   376M|    count_t count() const { return relaxed_->d.count; }
_ZN5immer6detail4rbts20make_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_15regular_sub_posIT_EEPSE_jm:
 1044|  27.6M|{
 1045|  27.6M|    assert(node);
  ------------------
  |  Branch (1045:5): [True: 27.6M, False: 0]
  ------------------
 1046|  27.6M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1046:5): [True: 27.6M, False: 0]
  ------------------
 1047|  27.6M|    assert(size > 0);
  ------------------
  |  Branch (1047:5): [True: 27.6M, False: 0]
  ------------------
 1048|  27.6M|    assert(size <= (branches<NodeT::bits, size_t> << shift));
  ------------------
  |  Branch (1048:5): [True: 27.6M, False: 0]
  ------------------
 1049|  27.6M|    return {node, shift, size};
 1050|  27.6M|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1036|  16.3M|    {
 1037|  16.3M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  16.3M|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
  785|  29.0M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
  825|  1.13M|    {
  826|  1.13M|        return each_regular(*this, v, args...);
  827|  1.13M|    }
_ZN5immer6detail4rbts12each_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_DpOT1_:
  343|  1.13M|{
  344|  1.13M|    constexpr auto B  = bits<Pos>;
  345|  1.13M|    constexpr auto BL = bits_leaf<Pos>;
  346|  1.13M|    auto n            = p.node()->inner();
  347|  1.13M|    auto last         = p.count() - 1;
  348|  1.13M|    auto e            = n + last;
  349|  1.13M|    if (p.shift() == BL) {
  ------------------
  |  Branch (349:9): [True: 87.3k, False: 1.05M]
  ------------------
  350|   280k|        for (; n != e; ++n) {
  ------------------
  |  Branch (350:16): [True: 192k, False: 87.3k]
  ------------------
  351|   192k|            IMMER_PREFETCH(n + 1);
  352|   192k|            make_full_leaf_pos(*n).visit(v, args...);
  353|   192k|        }
  354|  87.3k|        make_leaf_pos(*n, p.size()).visit(v, args...);
  355|  1.05M|    } else {
  356|  1.05M|        auto ss = p.shift() - B;
  357|  3.51M|        for (; n != e; ++n)
  ------------------
  |  Branch (357:16): [True: 2.46M, False: 1.05M]
  ------------------
  358|  2.46M|            make_full_pos(*n, ss).visit(v, args...);
  359|  1.05M|        make_regular_pos(*n, ss, p.size()).visit(v, args...);
  360|  1.05M|    }
  361|  1.13M|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
  787|  13.0M|    shift_t shift() const { return shift_; }
_ZN5immer6detail4rbts18make_full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_13full_leaf_posIT_EEPSE_:
  214|  15.7M|{
  215|  15.7M|    assert(node);
  ------------------
  |  Branch (215:5): [True: 15.7M, False: 0]
  ------------------
  216|  15.7M|    return {node};
  217|  15.7M|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  207|  4.24M|    {
  208|  4.24M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  4.24M|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
  199|  10.6M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
  198|  12.0M|    count_t count() const { return branches<BL>; }
_ZN5immer6detail4rbts13make_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_8leaf_posIT_EEPSE_m:
  119|  2.57M|{
  120|  2.57M|    assert(node);
  ------------------
  |  Branch (120:5): [True: 2.57M, False: 0]
  ------------------
  121|  2.57M|    assert(size > 0);
  ------------------
  |  Branch (121:5): [True: 2.57M, False: 0]
  ------------------
  122|  2.57M|    return {node, size};
  123|  2.57M|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEv:
  786|  10.4M|    size_t size() const { return size_; }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  112|  1.09M|    {
  113|  1.09M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  1.09M|    }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
  104|  2.58M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
  103|  3.53M|    count_t count() const { return index(size_ - 1) + 1; }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
  107|  3.56M|    count_t index(size_t idx) const { return idx & mask<BL>; }
_ZN5immer6detail4rbts13make_full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_8full_posIT_EEPSE_j:
 1412|  11.5M|{
 1413|  11.5M|    assert(node);
  ------------------
  |  Branch (1413:5): [True: 11.5M, False: 0]
  ------------------
 1414|  11.5M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1414:5): [True: 11.5M, False: 0]
  ------------------
 1415|  11.5M|    return {node, shift};
 1416|  11.5M|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1405|  9.41M|    {
 1406|  9.41M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  9.41M|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
 1159|  10.1M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
 1185|   103k|    {
 1186|   103k|        auto p = node_->inner();
 1187|   103k|        auto e = p + branches<B>;
 1188|   103k|        if (shift_ == BL) {
  ------------------
  |  Branch (1188:13): [True: 89.7k, False: 13.4k]
  ------------------
 1189|   807k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1189:20): [True: 718k, False: 89.7k]
  ------------------
 1190|   718k|                IMMER_PREFETCH(p + 1);
 1191|   718k|                make_full_leaf_pos(*p).visit(v, args...);
 1192|   718k|            }
 1193|  89.7k|        } else {
 1194|  13.4k|            auto ss = shift_ - B;
 1195|   121k|            for (; p != e; ++p)
  ------------------
  |  Branch (1195:20): [True: 107k, False: 13.4k]
  ------------------
 1196|   107k|                make_full_pos(*p, ss).visit(v, args...);
 1197|  13.4k|        }
 1198|   103k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
 1158|  1.51M|    count_t count() const { return branches<B>; }
_ZN5immer6detail4rbts16make_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11regular_posIT_EEPSE_jm:
  690|  9.61M|{
  691|  9.61M|    assert(node);
  ------------------
  |  Branch (691:5): [True: 9.61M, False: 0]
  ------------------
  692|  9.61M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (692:5): [True: 9.61M, False: 0]
  ------------------
  693|  9.61M|    assert(size > 0);
  ------------------
  |  Branch (693:5): [True: 9.61M, False: 0]
  ------------------
  694|  9.61M|    return {node, shift, size};
  695|  9.61M|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  336|  4.10M|    {
  337|  4.10M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  4.10M|    }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
  231|  17.8M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
  243|  4.04M|    {
  244|  4.04M|        return each_regular(*this, v, args...);
  245|  4.04M|    }
_ZN5immer6detail4rbts12each_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_DpOT1_:
  343|  4.04M|{
  344|  4.04M|    constexpr auto B  = bits<Pos>;
  345|  4.04M|    constexpr auto BL = bits_leaf<Pos>;
  346|  4.04M|    auto n            = p.node()->inner();
  347|  4.04M|    auto last         = p.count() - 1;
  348|  4.04M|    auto e            = n + last;
  349|  4.04M|    if (p.shift() == BL) {
  ------------------
  |  Branch (349:9): [True: 1.00M, False: 3.04M]
  ------------------
  350|  4.30M|        for (; n != e; ++n) {
  ------------------
  |  Branch (350:16): [True: 3.30M, False: 1.00M]
  ------------------
  351|  3.30M|            IMMER_PREFETCH(n + 1);
  352|  3.30M|            make_full_leaf_pos(*n).visit(v, args...);
  353|  3.30M|        }
  354|  1.00M|        make_leaf_pos(*n, p.size()).visit(v, args...);
  355|  3.04M|    } else {
  356|  3.04M|        auto ss = p.shift() - B;
  357|  9.86M|        for (; n != e; ++n)
  ------------------
  |  Branch (357:16): [True: 6.81M, False: 3.04M]
  ------------------
  358|  6.81M|            make_full_pos(*n, ss).visit(v, args...);
  359|  3.04M|        make_regular_pos(*n, ss, p.size()).visit(v, args...);
  360|  3.04M|    }
  361|  4.04M|}
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
  233|  16.7M|    shift_t shift() const { return shift_; }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEv:
  232|  24.5M|    size_t size() const { return size_; }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
  230|  12.3M|    count_t count() const { return index(size_ - 1) + 1; }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
  234|  23.3M|    count_t index(size_t idx) const { return (idx >> shift_) & mask<B>; }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
  784|  21.1M|    count_t count() const { return subindex(size_ - 1) + 1; }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8subindexEm:
  789|  24.5M|    count_t subindex(size_t idx) const { return idx >> shift_; }
_ZN5immer6detail4rbts22make_empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_17empty_regular_posIT_EEPSE_:
   64|  2.92M|{
   65|  2.92M|    return {node};
   66|  2.92M|}
_ZN5immer6detail4rbts17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
   57|  2.92M|    {
   58|  2.92M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
   59|  2.92M|    }
_ZNK5immer6detail4rbts17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
   41|  2.92M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts17make_leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_12leaf_sub_posIT_EEPSE_j:
  151|   121M|{
  152|   121M|    assert(node);
  ------------------
  |  Branch (152:5): [True: 121M, False: 0]
  ------------------
  153|   121M|    assert(count <= branches<NodeT::bits_leaf>);
  ------------------
  |  Branch (153:5): [True: 121M, False: 0]
  ------------------
  154|   121M|    return {node, count};
  155|   121M|}
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  144|  88.0M|    {
  145|  88.0M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  88.0M|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
  136|   107M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
  135|  34.7M|    count_t count() const { return count_; }
_ZN5immer6detail4rbts19make_empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_14empty_leaf_posIT_EEPSE_:
   88|  2.76M|{
   89|  2.76M|    assert(node);
  ------------------
  |  Branch (89:5): [True: 2.76M, False: 0]
  ------------------
   90|  2.76M|    return {node};
   91|  2.76M|}
_ZN5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
   81|  2.76M|    {
   82|  2.76M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
   83|  2.76M|    }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4nodeEv:
   75|  2.76M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5countEv:
   74|  11.6k|    count_t count() const { return 0; }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcT_DpOT0_:
 1813|   505k|    {
 1814|   505k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   505k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
 1433|  36.7M|    shift_t shift() const { return shift_; }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEj:
 1443|  17.9M|    {
 1444|  17.9M|        return size_sbh(offset, size_before(offset));
 1445|  17.9M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8size_sbhEjm:
 1448|  18.3M|    {
 1449|  18.3M|        assert(size_before_hint == size_before(offset));
  ------------------
  |  Branch (1449:9): [True: 18.3M, False: 0]
  ------------------
 1450|  18.3M|        return relaxed_->d.sizes[offset] - size_before_hint;
 1451|  18.3M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11size_beforeEj:
 1438|  68.6M|    {
 1439|  68.6M|        return offset ? relaxed_->d.sizes[offset - 1] : 0;
  ------------------
  |  Branch (1439:16): [True: 44.0M, False: 24.5M]
  ------------------
 1440|  68.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11last_oh_cshINS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcT_jmDpOT0_:
 1737|   489k|    {
 1738|   489k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 489k, False: 0]
  ------------------
 1739|   489k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 489k, False: 0]
  ------------------
 1740|   489k|        auto child   = node_->inner()[offset_hint];
 1741|   489k|        auto is_leaf = shift_ == BL;
 1742|   489k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 489k]
  ------------------
 1743|   489k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|   489k|                   : visit_maybe_relaxed_sub(
 1745|   489k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|   489k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcPT_jmT0_DpOT1_:
 1838|   489k|{
 1839|   489k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 489k, False: 0]
  ------------------
 1840|   489k|    auto relaxed = node->relaxed();
 1841|   489k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 184k, False: 305k]
  ------------------
 1842|   184k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 184k, False: 0]
  ------------------
 1843|   184k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   184k|            .visit(v, std::forward<Args>(args)...);
 1845|   305k|    } else {
 1846|   305k|        return make_regular_sub_pos(node, shift, size)
 1847|   305k|            .visit(v, std::forward<Args>(args)...);
 1848|   305k|    }
 1849|   489k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcT_DpOT0_:
 1036|   305k|    {
 1037|   305k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   305k|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
  788|  3.70M|    count_t index(size_t idx) const { return (idx >> shift_) & mask<B>; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7last_ohINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_jDpOT0_:
  952|  1.00M|    {
  953|  1.00M|        return last_oh_regular(*this, v, offset_hint, args...);
  954|  1.00M|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_17push_tail_visitorISD_EEJRPSD_EEEDcOT_T0_jDpOT1_:
  677|  1.00M|{
  678|  1.00M|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 1.00M, False: 0]
  ------------------
  679|  1.00M|    constexpr auto B  = bits<Pos>;
  680|  1.00M|    constexpr auto BL = bits_leaf<Pos>;
  681|  1.00M|    auto child        = p.node()->inner()[offset_hint];
  682|  1.00M|    auto is_leaf      = p.shift() == BL;
  683|  1.00M|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 1.00M]
  ------------------
  684|  1.00M|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  1.00M|                         .visit(v, args...);
  686|  1.00M|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_DpOT0_:
  336|  3.91M|    {
  337|  3.91M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.91M|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7last_ohINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_jDpOT0_:
  330|  2.90M|    {
  331|  2.90M|        return last_oh_regular(*this, v, offset_hint, args...);
  332|  2.90M|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_17push_tail_visitorISD_EEJRPSD_EEEDcOT_T0_jDpOT1_:
  677|  2.90M|{
  678|  2.90M|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 2.90M, False: 0]
  ------------------
  679|  2.90M|    constexpr auto B  = bits<Pos>;
  680|  2.90M|    constexpr auto BL = bits_leaf<Pos>;
  681|  2.90M|    auto child        = p.node()->inner()[offset_hint];
  682|  2.90M|    auto is_leaf      = p.shift() == BL;
  683|  2.90M|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 2.90M]
  ------------------
  684|  2.90M|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  2.90M|                         .visit(v, args...);
  686|  2.90M|}
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEv:
 1432|   163M|    size_t size() const { return relaxed_->d.sizes[relaxed_->d.count - 1]; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_DpOT0_:
 1036|   758k|    {
 1037|   758k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   758k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_DpOT0_:
  144|  98.6k|    {
  145|  98.6k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  98.6k|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
  139|  1.40M|    count_t index(size_t idx) const { return idx & mask<BL>; }
flex-vector-st.cpp:_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSJ_E_EEEDcPSJ_jmT0_DpOT1_:
 1838|   180k|{
 1839|   180k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 180k, False: 0]
  ------------------
 1840|   180k|    auto relaxed = node->relaxed();
 1841|   180k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 157k, False: 23.2k]
  ------------------
 1842|   157k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 157k, False: 0]
  ------------------
 1843|   157k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   157k|            .visit(v, std::forward<Args>(args)...);
 1845|   157k|    } else {
 1846|  23.2k|        return make_regular_sub_pos(node, shift, size)
 1847|  23.2k|            .visit(v, std::forward<Args>(args)...);
 1848|  23.2k|    }
 1849|   180k|}
flex-vector-st.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1813|   157k|    {
 1814|   157k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   157k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
 1454|  19.2M|    {
 1455|  19.2M|        auto offset = idx >> shift_;
 1456|  29.0M|        while (relaxed_->d.sizes[offset] <= idx)
  ------------------
  |  Branch (1456:16): [True: 9.72M, False: 19.2M]
  ------------------
 1457|  9.72M|            ++offset;
 1458|  19.2M|        return offset;
 1459|  19.2M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7relaxedEv:
 1435|   157k|    relaxed_t* relaxed() const { return relaxed_; }
flex-vector-st.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjDpOT0_:
 1686|   157k|    {
 1687|   157k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 157k, False: 0]
  ------------------
 1688|   157k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 21.3k, False: 135k]
  ------------------
 1689|   157k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|   157k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjmDpOT0_:
 1698|   157k|    {
 1699|   157k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|   157k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjmDpOT0_:
 1717|   157k|    {
 1718|   157k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 157k, False: 0]
  ------------------
 1719|   157k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 21.3k, False: 135k]
  |  Branch (1719:9): [True: 157k, False: 0]
  ------------------
 1720|   157k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   157k|        auto child     = node_->inner()[offset_hint];
 1722|   157k|        auto is_leaf   = shift_ == BL;
 1723|   157k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   157k|        auto next_idx  = idx - left_size_hint;
 1725|   157k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 22.1k, False: 135k]
  ------------------
 1726|   157k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  22.1k|                         .visit(v, next_idx, args...)
 1728|   157k|                   : visit_maybe_relaxed_sub(
 1729|   135k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   157k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  144|  22.1k|    {
  145|  22.1k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  22.1k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1036|  23.2k|    {
 1037|  23.2k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  23.2k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13towards_oh_chINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
  938|  23.2k|    {
  939|  23.2k|        return towards_oh_ch_regular(
  940|  23.2k|            *this, v, idx, offset_hint, count(), args...);
  941|  23.2k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_14update_visitorISD_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcOSL_T0_mjjDpOT1_:
  632|  23.2k|{
  633|  23.2k|    constexpr auto B  = bits<Pos>;
  634|  23.2k|    constexpr auto BL = bits_leaf<Pos>;
  635|  23.2k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 23.2k, False: 0]
  ------------------
  636|  23.2k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 23.2k, False: 0]
  ------------------
  637|  23.2k|    auto is_leaf = p.shift() == BL;
  638|  23.2k|    auto child   = p.node()->inner()[offset_hint];
  639|  23.2k|    auto is_full = offset_hint + 1 != count_hint;
  640|  23.2k|    return is_full
  ------------------
  |  Branch (640:12): [True: 14.3k, False: 8.90k]
  ------------------
  641|  23.2k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 4.90k, False: 9.40k]
  ------------------
  642|  14.3k|                          : make_full_pos(child, p.shift() - B)
  643|  9.40k|                                .visit(v, idx, args...))
  644|  23.2k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 6.85k, False: 2.04k]
  ------------------
  645|  8.90k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  8.90k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.04k|                            .visit(v, idx, args...));
  648|  23.2k|}
flex-vector-st.cpp:_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  207|  15.3k|    {
  208|  15.3k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  15.3k|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
  202|   441k|    count_t index(size_t idx) const { return idx & mask<BL>; }
flex-vector-st.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1405|  14.5k|    {
 1406|  14.5k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  14.5k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5indexEm:
 1162|  1.32M|    count_t index(size_t idx) const { return (idx >> shift_) & mask<B>; }
flex-vector-st.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13towards_oh_chINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
 1329|  14.5k|    {
 1330|  14.5k|        return towards_oh(v, idx, offset_hint, args...);
 1331|  14.5k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjDpOT0_:
 1336|  14.5k|    {
 1337|  14.5k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 14.5k, False: 0]
  ------------------
 1338|  14.5k|        auto is_leaf = shift_ == BL;
 1339|  14.5k|        auto child   = node_->inner()[offset_hint];
 1340|  14.5k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 10.1k, False: 4.44k]
  ------------------
 1341|  14.5k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  14.5k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  14.5k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  112|  7.81k|    {
  113|  7.81k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  7.81k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  336|  2.35k|    {
  337|  2.35k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  2.35k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13towards_oh_chINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
  316|  2.35k|    {
  317|  2.35k|        return towards_oh_ch_regular(
  318|  2.35k|            *this, v, idx, offset_hint, count(), args...);
  319|  2.35k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_14update_visitorISD_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcOSL_T0_mjjDpOT1_:
  632|  2.35k|{
  633|  2.35k|    constexpr auto B  = bits<Pos>;
  634|  2.35k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.35k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.35k, False: 0]
  ------------------
  636|  2.35k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.35k, False: 0]
  ------------------
  637|  2.35k|    auto is_leaf = p.shift() == BL;
  638|  2.35k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.35k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.35k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.08k, False: 1.27k]
  ------------------
  641|  2.35k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 353, False: 729]
  ------------------
  642|  1.08k|                          : make_full_pos(child, p.shift() - B)
  643|    729|                                .visit(v, idx, args...))
  644|  2.35k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 965, False: 312]
  ------------------
  645|  1.27k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.27k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    312|                            .visit(v, idx, args...));
  648|  2.35k|}
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  36.9k|{
 1839|  36.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 36.9k, False: 0]
  ------------------
 1840|  36.9k|    auto relaxed = node->relaxed();
 1841|  36.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 30.3k, False: 6.53k]
  ------------------
 1842|  30.3k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 30.3k, False: 0]
  ------------------
 1843|  30.3k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  30.3k|            .visit(v, std::forward<Args>(args)...);
 1845|  30.3k|    } else {
 1846|  6.53k|        return make_regular_sub_pos(node, shift, size)
 1847|  6.53k|            .visit(v, std::forward<Args>(args)...);
 1848|  6.53k|    }
 1849|  36.9k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1813|  30.3k|    {
 1814|  30.3k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  30.3k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
 1686|  24.2k|    {
 1687|  24.2k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 24.2k, False: 0]
  ------------------
 1688|  24.2k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 24.2k]
  ------------------
 1689|  24.2k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  24.2k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjmDpOT0_:
 1698|  24.2k|    {
 1699|  24.2k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  24.2k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjmDpOT0_:
 1717|  24.2k|    {
 1718|  24.2k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 24.2k, False: 0]
  ------------------
 1719|  24.2k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 24.2k]
  |  Branch (1719:9): [True: 24.2k, False: 0]
  ------------------
 1720|  24.2k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  24.2k|        auto child     = node_->inner()[offset_hint];
 1722|  24.2k|        auto is_leaf   = shift_ == BL;
 1723|  24.2k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  24.2k|        auto next_idx  = idx - left_size_hint;
 1725|  24.2k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 2.09k, False: 22.1k]
  ------------------
 1726|  24.2k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  2.09k|                         .visit(v, next_idx, args...)
 1728|  24.2k|                   : visit_maybe_relaxed_sub(
 1729|  22.1k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  24.2k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  144|  2.09k|    {
  145|  2.09k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  2.09k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1686|  9.96k|    {
 1687|  9.96k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 9.96k, False: 0]
  ------------------
 1688|  9.96k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 8.65k, False: 1.31k]
  ------------------
 1689|  9.96k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  9.96k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjmDpOT0_:
 1698|  9.96k|    {
 1699|  9.96k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  9.96k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjmDpOT0_:
 1717|  9.96k|    {
 1718|  9.96k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 9.96k, False: 0]
  ------------------
 1719|  9.96k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 8.65k, False: 1.31k]
  |  Branch (1719:9): [True: 9.96k, False: 0]
  ------------------
 1720|  9.96k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  9.96k|        auto child     = node_->inner()[offset_hint];
 1722|  9.96k|        auto is_leaf   = shift_ == BL;
 1723|  9.96k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  9.96k|        auto next_idx  = idx - left_size_hint;
 1725|  9.96k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 3.46k, False: 6.49k]
  ------------------
 1726|  9.96k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  3.46k|                         .visit(v, next_idx, args...)
 1728|  9.96k|                   : visit_maybe_relaxed_sub(
 1729|  6.49k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  9.96k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  144|  3.46k|    {
  145|  3.46k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  3.46k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  6.49k|{
 1839|  6.49k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 6.49k, False: 0]
  ------------------
 1840|  6.49k|    auto relaxed = node->relaxed();
 1841|  6.49k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.86k, False: 2.63k]
  ------------------
 1842|  3.86k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.86k, False: 0]
  ------------------
 1843|  3.86k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.86k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.86k|    } else {
 1846|  2.63k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.63k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.63k|    }
 1849|  6.49k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1813|  3.86k|    {
 1814|  3.86k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.86k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1036|  2.63k|    {
 1037|  2.63k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.63k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
  927|  5.67k|    {
  928|  5.67k|        return towards_oh_ch_regular(
  929|  5.67k|            *this, v, idx, offset_hint, count(), args...);
  930|  5.67k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_19slice_right_visitorISD_Lb0EEEJEEEDcOT_T0_mjjDpOT1_:
  632|  5.67k|{
  633|  5.67k|    constexpr auto B  = bits<Pos>;
  634|  5.67k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.67k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.67k, False: 0]
  ------------------
  636|  5.67k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.67k, False: 0]
  ------------------
  637|  5.67k|    auto is_leaf = p.shift() == BL;
  638|  5.67k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.67k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.67k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.40k, False: 4.27k]
  ------------------
  641|  5.67k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 735, False: 665]
  ------------------
  642|  1.40k|                          : make_full_pos(child, p.shift() - B)
  643|    665|                                .visit(v, idx, args...))
  644|  5.67k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.58k, False: 2.68k]
  ------------------
  645|  4.27k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  4.27k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.68k|                            .visit(v, idx, args...));
  648|  5.67k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  207|  3.82k|    {
  208|  3.82k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.82k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1405|  2.05k|    {
 1406|  2.05k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.05k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1336|  3.20k|    {
 1337|  3.20k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 3.20k, False: 0]
  ------------------
 1338|  3.20k|        auto is_leaf = shift_ == BL;
 1339|  3.20k|        auto child   = node_->inner()[offset_hint];
 1340|  3.20k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 2.40k, False: 803]
  ------------------
 1341|  3.20k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  3.20k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  3.20k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
 1161|  70.3k|    shift_t shift() const { return shift_; }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  112|  2.99k|    {
  113|  2.99k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.99k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  336|  3.18k|    {
  337|  3.18k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.18k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
  305|  3.18k|    {
  306|  3.18k|        return towards_oh_ch_regular(
  307|  3.18k|            *this, v, idx, offset_hint, count(), args...);
  308|  3.18k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_19slice_right_visitorISD_Lb0EEEJEEEDcOT_T0_mjjDpOT1_:
  632|  3.18k|{
  633|  3.18k|    constexpr auto B  = bits<Pos>;
  634|  3.18k|    constexpr auto BL = bits_leaf<Pos>;
  635|  3.18k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 3.18k, False: 0]
  ------------------
  636|  3.18k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 3.18k, False: 0]
  ------------------
  637|  3.18k|    auto is_leaf = p.shift() == BL;
  638|  3.18k|    auto child   = p.node()->inner()[offset_hint];
  639|  3.18k|    auto is_full = offset_hint + 1 != count_hint;
  640|  3.18k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.27k, False: 1.91k]
  ------------------
  641|  3.18k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 684, False: 589]
  ------------------
  642|  1.27k|                          : make_full_pos(child, p.shift() - B)
  643|    589|                                .visit(v, idx, args...))
  644|  3.18k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.41k, False: 503]
  ------------------
  645|  1.91k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.91k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    503|                            .visit(v, idx, args...));
  648|  3.18k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1036|  6.53k|    {
 1037|  6.53k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  6.53k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
  927|  3.49k|    {
  928|  3.49k|        return towards_oh_ch_regular(
  929|  3.49k|            *this, v, idx, offset_hint, count(), args...);
  930|  3.49k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_19slice_right_visitorISD_Lb1EEEJEEEDcOT_T0_mjjDpOT1_:
  632|  3.49k|{
  633|  3.49k|    constexpr auto B  = bits<Pos>;
  634|  3.49k|    constexpr auto BL = bits_leaf<Pos>;
  635|  3.49k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 3.49k, False: 0]
  ------------------
  636|  3.49k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 3.49k, False: 0]
  ------------------
  637|  3.49k|    auto is_leaf = p.shift() == BL;
  638|  3.49k|    auto child   = p.node()->inner()[offset_hint];
  639|  3.49k|    auto is_full = offset_hint + 1 != count_hint;
  640|  3.49k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.68k, False: 805]
  ------------------
  641|  3.49k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 900, False: 1.78k]
  ------------------
  642|  2.68k|                          : make_full_pos(child, p.shift() - B)
  643|  1.78k|                                .visit(v, idx, args...))
  644|  3.49k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 805, False: 0]
  ------------------
  645|    805|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    805|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  3.49k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  207|  1.53k|    {
  208|  1.53k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.53k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1405|  2.08k|    {
 1406|  2.08k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.08k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
 1336|    937|    {
 1337|    937|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 937, False: 0]
  ------------------
 1338|    937|        auto is_leaf = shift_ == BL;
 1339|    937|        auto child   = node_->inner()[offset_hint];
 1340|    937|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 637, False: 300]
  ------------------
 1341|    937|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|    937|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|    937|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  112|    805|    {
  113|    805|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    805|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  23.4k|{
 1839|  23.4k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 23.4k, False: 0]
  ------------------
 1840|  23.4k|    auto relaxed = node->relaxed();
 1841|  23.4k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 16.6k, False: 6.87k]
  ------------------
 1842|  16.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 16.6k, False: 0]
  ------------------
 1843|  16.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  16.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  16.6k|    } else {
 1846|  6.87k|        return make_regular_sub_pos(node, shift, size)
 1847|  6.87k|            .visit(v, std::forward<Args>(args)...);
 1848|  6.87k|    }
 1849|  23.4k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1813|  16.6k|    {
 1814|  16.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  16.6k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8subindexEm:
 1434|  6.11M|    count_t subindex(size_t idx) const { return index(idx); }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
 1705|  3.39k|    {
 1706|  3.39k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 3.39k, False: 0]
  ------------------
 1707|  3.39k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 2.91k, False: 482]
  ------------------
 1708|  3.39k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  3.39k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_18slice_left_visitorISC_Lb1EEEJEEEDcT_mjmDpOT0_:
 1717|  3.39k|    {
 1718|  3.39k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 3.39k, False: 0]
  ------------------
 1719|  3.39k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 2.91k, False: 482]
  |  Branch (1719:9): [True: 3.39k, False: 0]
  ------------------
 1720|  3.39k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  3.39k|        auto child     = node_->inner()[offset_hint];
 1722|  3.39k|        auto is_leaf   = shift_ == BL;
 1723|  3.39k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  3.39k|        auto next_idx  = idx - left_size_hint;
 1725|  3.39k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 3.39k]
  ------------------
 1726|  3.39k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  3.39k|                   : visit_maybe_relaxed_sub(
 1729|  3.39k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  3.39k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1705|  70.4k|    {
 1706|  70.4k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 70.4k, False: 0]
  ------------------
 1707|  70.4k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 21.1k, False: 49.2k]
  ------------------
 1708|  70.4k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  70.4k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjmDpOT0_:
 1717|  70.4k|    {
 1718|  70.4k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 70.4k, False: 0]
  ------------------
 1719|  70.4k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 21.1k, False: 49.2k]
  |  Branch (1719:9): [True: 70.4k, False: 0]
  ------------------
 1720|  70.4k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  70.4k|        auto child     = node_->inner()[offset_hint];
 1722|  70.4k|        auto is_leaf   = shift_ == BL;
 1723|  70.4k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  70.4k|        auto next_idx  = idx - left_size_hint;
 1725|  70.4k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 12.3k, False: 58.0k]
  ------------------
 1726|  70.4k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  12.3k|                         .visit(v, next_idx, args...)
 1728|  70.4k|                   : visit_maybe_relaxed_sub(
 1729|  58.0k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  70.4k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  144|  12.3k|    {
  145|  12.3k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  12.3k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  58.0k|{
 1839|  58.0k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 58.0k, False: 0]
  ------------------
 1840|  58.0k|    auto relaxed = node->relaxed();
 1841|  58.0k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 57.1k, False: 812]
  ------------------
 1842|  57.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 57.1k, False: 0]
  ------------------
 1843|  57.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  57.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  57.1k|    } else {
 1846|    812|        return make_regular_sub_pos(node, shift, size)
 1847|    812|            .visit(v, std::forward<Args>(args)...);
 1848|    812|    }
 1849|  58.0k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1813|  57.1k|    {
 1814|  57.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  57.1k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1036|    812|    {
 1037|    812|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    812|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11size_beforeEj:
  791|  1.73M|    {
  792|  1.73M|        return size_t{offset} << shift_;
  793|  1.73M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8size_sbhEjm:
  803|  21.2k|    {
  804|  21.2k|        assert(size_before_hint == size_before(offset));
  ------------------
  |  Branch (804:9): [True: 21.2k, False: 0]
  ------------------
  805|  21.2k|        return offset == subindex(size_ - 1) ? size_ - size_before_hint
  ------------------
  |  Branch (805:16): [True: 11.7k, False: 9.54k]
  ------------------
  806|  21.2k|                                             : size_t{1} << shift_;
  807|  21.2k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
  946|  6.83k|    {
  947|  6.83k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  6.83k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_18slice_left_visitorISD_Lb0EEEJEEEDcOT_T0_mjDpOT1_:
  653|  6.83k|{
  654|  6.83k|    constexpr auto B  = bits<Pos>;
  655|  6.83k|    constexpr auto BL = bits_leaf<Pos>;
  656|  6.83k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 6.83k, False: 0]
  ------------------
  657|  6.83k|    auto is_leaf = p.shift() == BL;
  658|  6.83k|    auto child   = p.node()->inner()[offset_hint];
  659|  6.83k|    auto lsize   = offset_hint << p.shift();
  660|  6.83k|    auto size    = p.this_size();
  661|  6.83k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  6.83k|    return is_full
  ------------------
  |  Branch (662:12): [True: 6.83k, False: 0]
  ------------------
  663|  6.83k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 4.08k, False: 2.74k]
  ------------------
  664|  6.83k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  6.83k|                      : make_full_pos(child, p.shift() - B)
  666|  2.74k|                            .visit(v, idx - lsize, args...))
  667|  6.83k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 0]
  ------------------
  668|      0|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|      0|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|      0|                            .visit(v, idx - lsize, args...));
  672|  6.83k|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9this_sizeEv:
  794|  21.2k|    size_t this_size() const { return size_; }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJmEEEDcT_DpOT0_:
  207|  7.68k|    {
  208|  7.68k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  7.68k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJmEEEDcT_DpOT0_:
 1405|  4.17k|    {
 1406|  4.17k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  4.17k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8subindexEm:
 1163|  10.1k|    count_t subindex(size_t idx) const { return idx >> shift_; }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11size_beforeEj:
 1170|  37.1k|    {
 1171|  37.1k|        return size_t{offset} << shift_;
 1172|  37.1k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8size_sbhEjm:
 1166|  10.1k|    {
 1167|  10.1k|        return size_t{1} << shift_;
 1168|  10.1k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1348|  5.03k|    {
 1349|  5.03k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 5.03k, False: 0]
  ------------------
 1350|  5.03k|        auto is_leaf = shift_ == BL;
 1351|  5.03k|        auto child   = node_->inner()[offset_hint];
 1352|  5.03k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  5.03k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 3.60k, False: 1.42k]
  ------------------
 1354|  5.03k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  5.03k|                   : make_full_pos(child, shift_ - B)
 1356|  1.42k|                         .visit(v, idx - lsize, args...);
 1357|  5.03k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
 1175|  10.1k|    {
 1176|  10.1k|        auto e = sizes + n;
 1177|  54.3k|        for (; sizes != e; ++sizes) {
  ------------------
  |  Branch (1177:16): [True: 44.2k, False: 10.1k]
  ------------------
 1178|  44.2k|            init = *sizes = init + (size_t{1} << shift_);
 1179|       |            assert(init);
  ------------------
  |  Branch (1179:13): [True: 44.2k, False: 0]
  ------------------
 1180|  44.2k|        }
 1181|  10.1k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEv:
 1160|   684k|    size_t size() const { return branches<B, size_t> << shift_; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
  810|  3.32M|    {
  811|  3.32M|        if (n) {
  ------------------
  |  Branch (811:13): [True: 3.32M, False: 5.31k]
  ------------------
  812|  3.32M|            auto last = offset + n - 1;
  813|  3.32M|            auto e    = sizes + n - 1;
  814|  13.2M|            for (; sizes != e; ++sizes) {
  ------------------
  |  Branch (814:20): [True: 9.95M, False: 3.32M]
  ------------------
  815|  9.95M|                init = *sizes = init + (size_t{1} << shift_);
  816|  9.95M|                assert(init);
  ------------------
  |  Branch (816:17): [True: 9.95M, False: 0]
  ------------------
  817|  9.95M|            }
  818|  3.32M|            *sizes = init + size(last);
  819|       |            assert(*sizes);
  ------------------
  |  Branch (819:13): [True: 3.32M, False: 0]
  ------------------
  820|  3.32M|        }
  821|  3.32M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEj:
  797|  3.33M|    {
  798|  3.33M|        return offset == subindex(size_ - 1) ? size_ - size_before(offset)
  ------------------
  |  Branch (798:16): [True: 1.67M, False: 1.66M]
  ------------------
  799|  3.33M|                                             : size_t{1} << shift_;
  800|  3.33M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
 1462|  31.6M|    {
 1463|  31.6M|        auto e     = sizes + n;
 1464|  31.6M|        auto prev  = size_before(offset);
 1465|  31.6M|        auto these = relaxed_->d.sizes + offset;
 1466|   144M|        for (; sizes != e; ++sizes, ++these) {
  ------------------
  |  Branch (1466:16): [True: 113M, False: 31.6M]
  ------------------
 1467|   113M|            auto this_size = *these;
 1468|   113M|            init = *sizes = init + (this_size - prev);
 1469|   113M|            assert(init);
  ------------------
  |  Branch (1469:13): [True: 113M, False: 0]
  ------------------
 1470|   113M|            prev = this_size;
 1471|   113M|        }
 1472|  31.6M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1036|  6.87k|    {
 1037|  6.87k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  6.87k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
  946|  2.76k|    {
  947|  2.76k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  2.76k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_18slice_left_visitorISD_Lb1EEEJEEEDcOT_T0_mjDpOT1_:
  653|  2.76k|{
  654|  2.76k|    constexpr auto B  = bits<Pos>;
  655|  2.76k|    constexpr auto BL = bits_leaf<Pos>;
  656|  2.76k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 2.76k, False: 0]
  ------------------
  657|  2.76k|    auto is_leaf = p.shift() == BL;
  658|  2.76k|    auto child   = p.node()->inner()[offset_hint];
  659|  2.76k|    auto lsize   = offset_hint << p.shift();
  660|  2.76k|    auto size    = p.this_size();
  661|  2.76k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  2.76k|    return is_full
  ------------------
  |  Branch (662:12): [True: 855, False: 1.91k]
  ------------------
  663|  2.76k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 855]
  ------------------
  664|    855|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|    855|                      : make_full_pos(child, p.shift() - B)
  666|    855|                            .visit(v, idx - lsize, args...))
  667|  2.76k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 1.91k]
  ------------------
  668|  1.91k|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|  1.91k|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|  1.91k|                            .visit(v, idx - lsize, args...));
  672|  2.76k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJmEEEDcT_DpOT0_:
 1405|    855|    {
 1406|    855|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    855|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJmEEEDcT_DpOT0_:
 1036|  1.91k|    {
 1037|  1.91k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.91k|    }
_ZN5immer6detail4rbts30make_singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEDaPT_j:
  766|  11.6k|{
  767|  11.6k|    assert(leaf);
  ------------------
  |  Branch (767:5): [True: 11.6k, False: 0]
  ------------------
  768|  11.6k|    IMMER_ASSERT_TAGGED(leaf->kind() == NodeT::kind_t::leaf);
  ------------------
  |  |   68|  11.6k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (768:5): [True: 11.6k, False: 0]
  ------------------
  769|  11.6k|    assert(count > 0);
  ------------------
  |  Branch (769:5): [True: 11.6k, False: 0]
  ------------------
  770|  11.6k|    return singleton_regular_sub_pos<NodeT>{leaf, count};
  771|  11.6k|}
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_25concat_trees_left_visitorISC_EEJNS1_14empty_leaf_posISC_EERPSC_RjRmEEEDcT_DpOT0_:
  759|  11.6k|    {
  760|  11.6k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  761|  11.6k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_26concat_trees_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  11.6k|{
 1839|  11.6k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 11.6k, False: 0]
  ------------------
 1840|  11.6k|    auto relaxed = node->relaxed();
 1841|  11.6k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 8.84k, False: 2.78k]
  ------------------
 1842|  8.84k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 8.84k, False: 0]
  ------------------
 1843|  8.84k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  8.84k|            .visit(v, std::forward<Args>(args)...);
 1845|  8.84k|    } else {
 1846|  2.78k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.78k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.78k|    }
 1849|  11.6k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  8.84k|    {
 1814|  8.84k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  8.84k|    }
_ZNK5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
  735|  66.4k|    shift_t shift() const { return BL; }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  744|  11.6k|    {
  745|  11.6k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
  144|  13.9M|    {
  145|  13.9M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  13.9M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
 1813|   162M|    {
 1814|   162M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   162M|    }
_ZN5immer6detail4rbts12null_sub_pos14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  707|  4.01M|    {
  708|  4.01M|    }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
  744|  11.6k|    {
  745|  11.6k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
  144|  13.9M|    {
  145|  13.9M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  13.9M|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEv:
  137|  13.9M|    size_t size() const { return count_; }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
 1813|   162M|    {
 1814|   162M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   162M|    }
_ZN5immer6detail4rbts12null_sub_pos14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEEvT_DpOT0_:
  707|  4.01M|    {
  708|  4.01M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1762|  53.9k|    {
 1763|  53.9k|        auto child      = node_->inner()[0];
 1764|  53.9k|        auto child_size = relaxed_->d.sizes[0];
 1765|  53.9k|        auto is_leaf    = shift_ == BL;
 1766|  53.9k|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 53.9k, False: 0]
  ------------------
 1767|  53.9k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 53.9k]
  ------------------
 1768|  53.9k|                       : visit_maybe_relaxed_sub(
 1769|  53.9k|                             child, shift_ - B, child_size, v, args...);
 1770|  53.9k|    }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
   76|  11.6k|    shift_t shift() const { return 0; }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
  138|  5.38M|    shift_t shift() const { return 0; }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  53.9k|{
 1839|  53.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 53.9k, False: 0]
  ------------------
 1840|  53.9k|    auto relaxed = node->relaxed();
 1841|  53.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 53.6k, False: 303]
  ------------------
 1842|  53.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 53.6k, False: 0]
  ------------------
 1843|  53.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  53.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  53.6k|    } else {
 1846|    303|        return make_regular_sub_pos(node, shift, size)
 1847|    303|            .visit(v, std::forward<Args>(args)...);
 1848|    303|    }
 1849|  53.9k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  53.6k|    {
 1814|  53.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  53.6k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1036|    303|    {
 1037|    303|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    303|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  970|    601|    {
  971|    601|        auto is_leaf = shift_ == BL;
  972|    601|        auto child   = node_->inner()[0];
  973|    601|        auto is_full = size_ >= (size_t{1} << shift_);
  974|    601|        return is_full
  ------------------
  |  Branch (974:16): [True: 601, False: 0]
  ------------------
  975|    601|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 601]
  ------------------
  976|    601|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|    601|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|    601|                   : (is_leaf
  ------------------
  |  Branch (978:23): [True: 0, False: 0]
  ------------------
  979|      0|                          ? make_leaf_sub_pos(child, size_).visit(v, args...)
  980|      0|                          : make_regular_sub_pos(child, shift_ - B, size_)
  981|      0|                                .visit(v, args...));
  982|    601|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
  201|   387k|    shift_t shift() const { return 0; }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1405|    903|    {
 1406|    903|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    903|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1361|    302|    {
 1362|    302|        auto is_leaf = shift_ == BL;
 1363|    302|        auto child   = node_->inner()[0];
 1364|    302|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 302]
  ------------------
 1365|    302|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|    302|    }
_ZN5immer6detail4rbts12null_sub_pos13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  711|   162k|    {
  712|   162k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1304|  40.8k|    {
 1305|  40.8k|        each_i(v, 1, branches<B>, args...);
 1306|  40.8k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE6each_iINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jjDpOT0_:
 1263|  40.8k|    {
 1264|  40.8k|        auto p = node_->inner() + i;
 1265|  40.8k|        auto e = node_->inner() + n;
 1266|  40.8k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 21.4k, False: 19.4k]
  ------------------
 1267|   171k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 150k, False: 21.4k]
  ------------------
 1268|   150k|                IMMER_PREFETCH(p + 1);
 1269|   150k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|   150k|            }
 1271|  21.4k|        } else {
 1272|  19.4k|            auto ss = shift_ - B;
 1273|   155k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 135k, False: 19.4k]
  ------------------
 1274|   135k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  19.4k|        }
 1276|  40.8k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
  207|  5.12M|    {
  208|  5.12M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  5.12M|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
 1405|   679k|    {
 1406|   679k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   679k|    }
_ZN5immer6detail4rbts12null_sub_pos13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEEEEvT_DpOT0_:
  711|   162k|    {
  712|   162k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1304|  40.8k|    {
 1305|  40.8k|        each_i(v, 1, branches<B>, args...);
 1306|  40.8k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE6each_iINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jjDpOT0_:
 1263|  40.8k|    {
 1264|  40.8k|        auto p = node_->inner() + i;
 1265|  40.8k|        auto e = node_->inner() + n;
 1266|  40.8k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 21.4k, False: 19.4k]
  ------------------
 1267|   171k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 150k, False: 21.4k]
  ------------------
 1268|   150k|                IMMER_PREFETCH(p + 1);
 1269|   150k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|   150k|            }
 1271|  21.4k|        } else {
 1272|  19.4k|            auto ss = shift_ - B;
 1273|   155k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 135k, False: 19.4k]
  ------------------
 1274|   135k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  19.4k|        }
 1276|  40.8k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
  207|  5.12M|    {
  208|  5.12M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  5.12M|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE4sizeEv:
  200|  5.12M|    size_t size() const { return branches<BL>; }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
 1405|   679k|    {
 1406|   679k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   679k|    }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  753|    601|    {
  754|    601|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|    601|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  144|    601|    {
  145|    601|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    601|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1370|    601|    {
 1371|    601|        assert(shift_ == BL);
  ------------------
  |  Branch (1371:9): [True: 601, False: 0]
  ------------------
 1372|    601|        auto child = node_->inner()[0];
 1373|    601|        return make_full_leaf_pos(child).visit(v, args...);
 1374|    601|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  207|  3.09k|    {
  208|  3.09k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.09k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  906|   387k|    {
  907|   387k|        if (count() > 1)
  ------------------
  |  Branch (907:13): [True: 367k, False: 19.7k]
  ------------------
  908|   367k|            each_right_sub_(v, 1, args...);
  909|   387k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE15each_right_sub_INS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
  879|   367k|    {
  880|   367k|        auto last  = count() - 1;
  881|   367k|        auto lsize = size_ - (last << shift_);
  882|   367k|        auto n     = node()->inner() + i;
  883|   367k|        auto e     = node()->inner() + last;
  884|   367k|        if (shift() == BL) {
  ------------------
  |  Branch (884:13): [True: 345k, False: 21.4k]
  ------------------
  885|  2.40M|            for (; n != e; ++n) {
  ------------------
  |  Branch (885:20): [True: 2.05M, False: 345k]
  ------------------
  886|  2.05M|                IMMER_PREFETCH(n + 1);
  887|  2.05M|                make_full_leaf_pos(*n).visit(v, args...);
  888|  2.05M|            }
  889|   345k|            make_leaf_sub_pos(*n, lsize).visit(v, args...);
  890|   345k|        } else {
  891|  21.4k|            auto ss = shift_ - B;
  892|  88.6k|            for (; n != e; ++n)
  ------------------
  |  Branch (892:20): [True: 67.2k, False: 21.4k]
  ------------------
  893|  67.2k|                make_full_pos(*n, ss).visit(v, args...);
  894|  21.4k|            make_regular_sub_pos(*n, ss, lsize).visit(v, args...);
  895|  21.4k|        }
  896|   367k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
 1036|  3.72M|    {
 1037|  3.72M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.72M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
  906|   387k|    {
  907|   387k|        if (count() > 1)
  ------------------
  |  Branch (907:13): [True: 367k, False: 19.7k]
  ------------------
  908|   367k|            each_right_sub_(v, 1, args...);
  909|   387k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE15each_right_sub_INS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
  879|   367k|    {
  880|   367k|        auto last  = count() - 1;
  881|   367k|        auto lsize = size_ - (last << shift_);
  882|   367k|        auto n     = node()->inner() + i;
  883|   367k|        auto e     = node()->inner() + last;
  884|   367k|        if (shift() == BL) {
  ------------------
  |  Branch (884:13): [True: 345k, False: 21.4k]
  ------------------
  885|  2.40M|            for (; n != e; ++n) {
  ------------------
  |  Branch (885:20): [True: 2.05M, False: 345k]
  ------------------
  886|  2.05M|                IMMER_PREFETCH(n + 1);
  887|  2.05M|                make_full_leaf_pos(*n).visit(v, args...);
  888|  2.05M|            }
  889|   345k|            make_leaf_sub_pos(*n, lsize).visit(v, args...);
  890|   345k|        } else {
  891|  21.4k|            auto ss = shift_ - B;
  892|  88.6k|            for (; n != e; ++n)
  ------------------
  |  Branch (892:20): [True: 67.2k, False: 21.4k]
  ------------------
  893|  67.2k|                make_full_pos(*n, ss).visit(v, args...);
  894|  21.4k|            make_regular_sub_pos(*n, ss, lsize).visit(v, args...);
  895|  21.4k|        }
  896|   367k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
 1036|  3.72M|    {
 1037|  3.72M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.72M|    }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
  753|  2.49k|    {
  754|  2.49k|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|  2.49k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
  144|  2.49k|    {
  145|  2.49k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  2.49k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  986|  2.49k|    {
  987|  2.49k|        assert(shift_ == BL);
  ------------------
  |  Branch (987:9): [True: 2.49k, False: 0]
  ------------------
  988|  2.49k|        auto child   = node_->inner()[0];
  989|  2.49k|        auto is_full = size_ >= branches<BL>;
  990|  2.49k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (990:16): [True: 2.49k, False: 0]
  ------------------
  991|  2.49k|                       : make_leaf_sub_pos(child, size_).visit(v, args...);
  992|  2.49k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  144|  8.54k|    {
  145|  8.54k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  8.54k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1647|  13.6M|    {
 1648|  13.6M|        each_right(v, 1, std::forward<Args>(args)...);
 1649|  13.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10each_rightINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
 1653|  13.6M|    {
 1654|  13.6M|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 13.6M, False: 0]
  ------------------
 1655|  13.6M|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 13.6M, False: 0]
  ------------------
 1656|  13.6M|        auto s = relaxed_->d.sizes[start - 1];
 1657|  13.6M|        auto p = node_->inner();
 1658|  13.6M|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 1.05M, False: 12.5M]
  ------------------
 1659|  6.29M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 5.24M, False: 1.05M]
  ------------------
 1660|  5.24M|                IMMER_PREFETCH(p + i + 1);
 1661|  5.24M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  5.24M|                    .visit(v, args...);
 1663|  5.24M|                s = relaxed_->d.sizes[i];
 1664|  5.24M|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 5.24M, False: 0]
  ------------------
 1665|  5.24M|            }
 1666|  12.5M|        } else {
 1667|  12.5M|            auto ss = shift_ - B;
 1668|  92.0M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 79.4M, False: 12.5M]
  ------------------
 1669|  79.4M|                visit_maybe_relaxed_sub(
 1670|  79.4M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  79.4M|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 79.4M, False: 0]
  ------------------
 1673|  79.4M|            }
 1674|  12.5M|        }
 1675|  13.6M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcPT_jmT0_DpOT1_:
 1838|   137M|{
 1839|   137M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 137M, False: 0]
  ------------------
 1840|   137M|    auto relaxed = node->relaxed();
 1841|   137M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 133M, False: 3.69M]
  ------------------
 1842|   133M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 133M, False: 0]
  ------------------
 1843|   133M|        return make_relaxed_pos(node, shift, relaxed)
 1844|   133M|            .visit(v, std::forward<Args>(args)...);
 1845|   133M|    } else {
 1846|  3.69M|        return make_regular_sub_pos(node, shift, size)
 1847|  3.69M|            .visit(v, std::forward<Args>(args)...);
 1848|  3.69M|    }
 1849|   137M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1647|  13.6M|    {
 1648|  13.6M|        each_right(v, 1, std::forward<Args>(args)...);
 1649|  13.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10each_rightINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
 1653|  13.6M|    {
 1654|  13.6M|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 13.6M, False: 0]
  ------------------
 1655|  13.6M|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 13.6M, False: 0]
  ------------------
 1656|  13.6M|        auto s = relaxed_->d.sizes[start - 1];
 1657|  13.6M|        auto p = node_->inner();
 1658|  13.6M|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 1.05M, False: 12.5M]
  ------------------
 1659|  6.29M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 5.24M, False: 1.05M]
  ------------------
 1660|  5.24M|                IMMER_PREFETCH(p + i + 1);
 1661|  5.24M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  5.24M|                    .visit(v, args...);
 1663|  5.24M|                s = relaxed_->d.sizes[i];
 1664|  5.24M|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 5.24M, False: 0]
  ------------------
 1665|  5.24M|            }
 1666|  12.5M|        } else {
 1667|  12.5M|            auto ss = shift_ - B;
 1668|  92.0M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 79.4M, False: 12.5M]
  ------------------
 1669|  79.4M|                visit_maybe_relaxed_sub(
 1670|  79.4M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  79.4M|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 79.4M, False: 0]
  ------------------
 1673|  79.4M|            }
 1674|  12.5M|        }
 1675|  13.6M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|   137M|{
 1839|   137M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 137M, False: 0]
  ------------------
 1840|   137M|    auto relaxed = node->relaxed();
 1841|   137M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 133M, False: 3.69M]
  ------------------
 1842|   133M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 133M, False: 0]
  ------------------
 1843|   133M|        return make_relaxed_pos(node, shift, relaxed)
 1844|   133M|            .visit(v, std::forward<Args>(args)...);
 1845|   133M|    } else {
 1846|  3.69M|        return make_regular_sub_pos(node, shift, size)
 1847|  3.69M|            .visit(v, std::forward<Args>(args)...);
 1848|  3.69M|    }
 1849|   137M|}
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  753|  8.54k|    {
  754|  8.54k|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|  8.54k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  144|  8.54k|    {
  145|  8.54k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  8.54k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1774|  8.54k|    {
 1775|  8.54k|        assert(shift_ == BL);
  ------------------
  |  Branch (1775:9): [True: 8.54k, False: 0]
  ------------------
 1776|  8.54k|        auto child      = node_->inner()[0];
 1777|  8.54k|        auto child_size = relaxed_->d.sizes[0];
 1778|  8.54k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1779|  8.54k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  2.78k|    {
 1037|  2.78k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.78k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_25concat_trees_left_visitorISC_EEJNS1_8leaf_posISC_EERPSC_RjRmEEEDcPT_jmT0_DpOT1_:
 1838|  1.43M|{
 1839|  1.43M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.43M, False: 0]
  ------------------
 1840|  1.43M|    auto relaxed = node->relaxed();
 1841|  1.43M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.40M, False: 24.3k]
  ------------------
 1842|  1.40M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.40M, False: 0]
  ------------------
 1843|  1.40M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.40M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.40M|    } else {
 1846|  24.3k|        return make_regular_sub_pos(node, shift, size)
 1847|  24.3k|            .visit(v, std::forward<Args>(args)...);
 1848|  24.3k|    }
 1849|  1.43M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_25concat_trees_left_visitorISC_EEJNS1_8leaf_posISC_EERPSC_RjRmEEEDcT_DpOT0_:
 1813|  1.40M|    {
 1814|  1.40M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.40M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_26concat_trees_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  1.40M|{
 1839|  1.40M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.40M, False: 0]
  ------------------
 1840|  1.40M|    auto relaxed = node->relaxed();
 1841|  1.40M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.39M, False: 15.0k]
  ------------------
 1842|  1.39M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.39M, False: 0]
  ------------------
 1843|  1.39M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.39M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.39M|    } else {
 1846|  15.0k|        return make_regular_sub_pos(node, shift, size)
 1847|  15.0k|            .visit(v, std::forward<Args>(args)...);
 1848|  15.0k|    }
 1849|  1.40M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  1.39M|    {
 1814|  1.39M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.39M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1750|  3.97M|    {
 1751|  3.97M|        auto offset     = relaxed_->d.count - 1;
 1752|  3.97M|        auto child      = node_->inner()[offset];
 1753|  3.97M|        auto child_size = size(offset);
 1754|  3.97M|        auto is_leaf    = shift_ == BL;
 1755|  3.97M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 0, False: 3.97M]
  ------------------
 1756|  3.97M|                       : visit_maybe_relaxed_sub(
 1757|  3.97M|                             child, shift_ - B, child_size, v, args...);
 1758|  3.97M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  3.97M|{
 1839|  3.97M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 3.97M, False: 0]
  ------------------
 1840|  3.97M|    auto relaxed = node->relaxed();
 1841|  3.97M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.97M, False: 2.14k]
  ------------------
 1842|  3.97M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.97M, False: 0]
  ------------------
 1843|  3.97M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.97M|            .visit(v, std::forward<Args>(args)...);
 1845|  3.97M|    } else {
 1846|  2.14k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.14k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.14k|    }
 1849|  3.97M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1813|  3.97M|    {
 1814|  3.97M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.97M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
 1036|  4.98k|    {
 1037|  4.98k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.98k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  958|  2.84k|    {
  959|  2.84k|        auto offset  = count() - 1;
  960|  2.84k|        auto child   = node_->inner()[offset];
  961|  2.84k|        auto is_leaf = shift_ == BL;
  962|  2.84k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  2.84k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 0, False: 2.84k]
  ------------------
  964|  2.84k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  2.84k|                             .visit(v, args...);
  966|  2.84k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  913|  1.51M|    {
  914|  1.51M|        each_left(v, count() - 1, args...);
  915|  1.51M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
  873|  1.51M|    {
  874|  1.51M|        return each_left_regular(*this, v, last, args...);
  875|  1.51M|    }
_ZN5immer6detail4rbts17each_left_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvOT_T0_jDpOT1_:
  575|  1.51M|{
  576|  1.51M|    constexpr auto B  = bits<Pos>;
  577|  1.51M|    constexpr auto BL = bits_leaf<Pos>;
  578|  1.51M|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 1.51M, False: 0]
  ------------------
  579|  1.51M|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 777k, False: 734k]
  ------------------
  580|   777k|        auto n = p.node()->inner();
  581|   777k|        auto e = n + last;
  582|  3.69M|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 2.92M, False: 777k]
  ------------------
  583|  2.92M|            IMMER_PREFETCH(n + 1);
  584|  2.92M|            make_full_leaf_pos(*n).visit(v, args...);
  585|  2.92M|        }
  586|   777k|    } else {
  587|   734k|        auto n  = p.node()->inner();
  588|   734k|        auto e  = n + last;
  589|   734k|        auto ss = p.shift() - B;
  590|  1.21M|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 476k, False: 734k]
  ------------------
  591|   476k|            make_full_pos(*n, ss).visit(v, args...);
  592|   734k|    }
  593|  1.51M|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
  913|  1.51M|    {
  914|  1.51M|        each_left(v, count() - 1, args...);
  915|  1.51M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
  873|  1.51M|    {
  874|  1.51M|        return each_left_regular(*this, v, last, args...);
  875|  1.51M|    }
_ZN5immer6detail4rbts17each_left_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21concat_merger_visitorEJRNS1_13concat_mergerISD_EEEEEvOT_T0_jDpOT1_:
  575|  1.51M|{
  576|  1.51M|    constexpr auto B  = bits<Pos>;
  577|  1.51M|    constexpr auto BL = bits_leaf<Pos>;
  578|  1.51M|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 1.51M, False: 0]
  ------------------
  579|  1.51M|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 777k, False: 734k]
  ------------------
  580|   777k|        auto n = p.node()->inner();
  581|   777k|        auto e = n + last;
  582|  3.69M|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 2.92M, False: 777k]
  ------------------
  583|  2.92M|            IMMER_PREFETCH(n + 1);
  584|  2.92M|            make_full_leaf_pos(*n).visit(v, args...);
  585|  2.92M|        }
  586|   777k|    } else {
  587|   734k|        auto n  = p.node()->inner();
  588|   734k|        auto e  = n + last;
  589|   734k|        auto ss = p.shift() - B;
  590|  1.21M|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 476k, False: 734k]
  ------------------
  591|   476k|            make_full_pos(*n, ss).visit(v, args...);
  592|   734k|    }
  593|  1.51M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1762|  1.45M|    {
 1763|  1.45M|        auto child      = node_->inner()[0];
 1764|  1.45M|        auto child_size = relaxed_->d.sizes[0];
 1765|  1.45M|        auto is_leaf    = shift_ == BL;
 1766|  1.45M|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 1.45M, False: 0]
  ------------------
 1767|  1.45M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 1.45M]
  ------------------
 1768|  1.45M|                       : visit_maybe_relaxed_sub(
 1769|  1.45M|                             child, shift_ - B, child_size, v, args...);
 1770|  1.45M|    }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5shiftEv:
  106|  1.43M|    shift_t shift() const { return 0; }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  1.45M|{
 1839|  1.45M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.45M, False: 0]
  ------------------
 1840|  1.45M|    auto relaxed = node->relaxed();
 1841|  1.45M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.10M, False: 348k]
  ------------------
 1842|  1.10M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.10M, False: 0]
  ------------------
 1843|  1.10M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.10M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.10M|    } else {
 1846|   348k|        return make_regular_sub_pos(node, shift, size)
 1847|   348k|            .visit(v, std::forward<Args>(args)...);
 1848|   348k|    }
 1849|  1.45M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  1.10M|    {
 1814|  1.10M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.10M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|   348k|    {
 1037|   348k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   348k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
  958|  1.81k|    {
  959|  1.81k|        auto offset  = count() - 1;
  960|  1.81k|        auto child   = node_->inner()[offset];
  961|  1.81k|        auto is_leaf = shift_ == BL;
  962|  1.81k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  1.81k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 0, False: 1.81k]
  ------------------
  964|  1.81k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  1.81k|                             .visit(v, args...);
  966|  1.81k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1036|  2.59k|    {
 1037|  2.59k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.59k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  970|  17.4k|    {
  971|  17.4k|        auto is_leaf = shift_ == BL;
  972|  17.4k|        auto child   = node_->inner()[0];
  973|  17.4k|        auto is_full = size_ >= (size_t{1} << shift_);
  974|  17.4k|        return is_full
  ------------------
  |  Branch (974:16): [True: 17.4k, False: 0]
  ------------------
  975|  17.4k|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 17.4k]
  ------------------
  976|  17.4k|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|  17.4k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|  17.4k|                   : (is_leaf
  ------------------
  |  Branch (978:23): [True: 0, False: 0]
  ------------------
  979|      0|                          ? make_leaf_sub_pos(child, size_).visit(v, args...)
  980|      0|                          : make_regular_sub_pos(child, shift_ - B, size_)
  981|      0|                                .visit(v, args...));
  982|  17.4k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1405|  36.1k|    {
 1406|  36.1k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  36.1k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1361|  18.7k|    {
 1362|  18.7k|        auto is_leaf = shift_ == BL;
 1363|  18.7k|        auto child   = node_->inner()[0];
 1364|  18.7k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 18.7k]
  ------------------
 1365|  18.7k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|  18.7k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  958|  35.9k|    {
  959|  35.9k|        auto offset  = count() - 1;
  960|  35.9k|        auto child   = node_->inner()[offset];
  961|  35.9k|        auto is_leaf = shift_ == BL;
  962|  35.9k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  35.9k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 17.6k, False: 18.2k]
  ------------------
  964|  35.9k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  18.2k|                             .visit(v, args...);
  966|  35.9k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  144|  20.8k|    {
  145|  20.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  20.8k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1370|  20.8k|    {
 1371|  20.8k|        assert(shift_ == BL);
  ------------------
  |  Branch (1371:9): [True: 20.8k, False: 0]
  ------------------
 1372|  20.8k|        auto child = node_->inner()[0];
 1373|  20.8k|        return make_full_leaf_pos(child).visit(v, args...);
 1374|  20.8k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  207|   384k|    {
  208|   384k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   384k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
 1036|  18.4k|    {
 1037|  18.4k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  18.4k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
  958|   365k|    {
  959|   365k|        auto offset  = count() - 1;
  960|   365k|        auto child   = node_->inner()[offset];
  961|   365k|        auto is_leaf = shift_ == BL;
  962|   365k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|   365k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 355k, False: 10.6k]
  ------------------
  964|   365k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  10.6k|                             .visit(v, args...);
  966|   365k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
  144|   363k|    {
  145|   363k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   363k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  986|   363k|    {
  987|   363k|        assert(shift_ == BL);
  ------------------
  |  Branch (987:9): [True: 363k, False: 0]
  ------------------
  988|   363k|        auto child   = node_->inner()[0];
  989|   363k|        auto is_full = size_ >= branches<BL>;
  990|   363k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (990:16): [True: 363k, False: 0]
  ------------------
  991|   363k|                       : make_leaf_sub_pos(child, size_).visit(v, args...);
  992|   363k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  144|  1.04M|    {
  145|  1.04M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.04M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1036|  16.7k|    {
 1037|  16.7k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  16.7k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  958|  1.10M|    {
  959|  1.10M|        auto offset  = count() - 1;
  960|  1.10M|        auto child   = node_->inner()[offset];
  961|  1.10M|        auto is_leaf = shift_ == BL;
  962|  1.10M|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  1.10M|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 404k, False: 701k]
  ------------------
  964|  1.10M|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|   701k|                             .visit(v, args...);
  966|  1.10M|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  144|  1.04M|    {
  145|  1.04M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.04M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1774|  1.04M|    {
 1775|  1.04M|        assert(shift_ == BL);
  ------------------
  |  Branch (1775:9): [True: 1.04M, False: 0]
  ------------------
 1776|  1.04M|        auto child      = node_->inner()[0];
 1777|  1.04M|        auto child_size = relaxed_->d.sizes[0];
 1778|  1.04M|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1779|  1.04M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
 1036|  1.44M|    {
 1037|  1.44M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.44M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1617|  16.3M|    {
 1618|  16.3M|        each_left(v, relaxed_->d.count - 1, args...);
 1619|  16.3M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
 1623|  16.3M|    {
 1624|  16.3M|        auto p = node_->inner();
 1625|  16.3M|        auto s = size_t{};
 1626|  16.3M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 654k, False: 15.7M]
  ------------------
 1627|  4.72M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 4.07M, False: 654k]
  ------------------
 1628|  4.07M|                IMMER_PREFETCH(p + i + 1);
 1629|  4.07M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  4.07M|                    .visit(v, args...);
 1631|  4.07M|                s = relaxed_->d.sizes[i];
 1632|  4.07M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 4.07M, False: 0]
  ------------------
 1633|  4.07M|            }
 1634|  15.7M|        } else {
 1635|  15.7M|            auto ss = shift_ - B;
 1636|  73.8M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 58.1M, False: 15.7M]
  ------------------
 1637|  58.1M|                visit_maybe_relaxed_sub(
 1638|  58.1M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|  58.1M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 58.1M, False: 0]
  ------------------
 1641|  58.1M|            }
 1642|  15.7M|        }
 1643|  16.3M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1617|  16.3M|    {
 1618|  16.3M|        each_left(v, relaxed_->d.count - 1, args...);
 1619|  16.3M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
 1623|  16.3M|    {
 1624|  16.3M|        auto p = node_->inner();
 1625|  16.3M|        auto s = size_t{};
 1626|  16.3M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 654k, False: 15.7M]
  ------------------
 1627|  4.72M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 4.07M, False: 654k]
  ------------------
 1628|  4.07M|                IMMER_PREFETCH(p + i + 1);
 1629|  4.07M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  4.07M|                    .visit(v, args...);
 1631|  4.07M|                s = relaxed_->d.sizes[i];
 1632|  4.07M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 4.07M, False: 0]
  ------------------
 1633|  4.07M|            }
 1634|  15.7M|        } else {
 1635|  15.7M|            auto ss = shift_ - B;
 1636|  73.8M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 58.1M, False: 15.7M]
  ------------------
 1637|  58.1M|                visit_maybe_relaxed_sub(
 1638|  58.1M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|  58.1M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 58.1M, False: 0]
  ------------------
 1641|  58.1M|            }
 1642|  15.7M|        }
 1643|  16.3M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1762|  11.0M|    {
 1763|  11.0M|        auto child      = node_->inner()[0];
 1764|  11.0M|        auto child_size = relaxed_->d.sizes[0];
 1765|  11.0M|        auto is_leaf    = shift_ == BL;
 1766|  11.0M|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 11.0M, False: 0]
  ------------------
 1767|  11.0M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 11.0M]
  ------------------
 1768|  11.0M|                       : visit_maybe_relaxed_sub(
 1769|  11.0M|                             child, shift_ - B, child_size, v, args...);
 1770|  11.0M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  11.0M|{
 1839|  11.0M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 11.0M, False: 0]
  ------------------
 1840|  11.0M|    auto relaxed = node->relaxed();
 1841|  11.0M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 11.0M, False: 3.17k]
  ------------------
 1842|  11.0M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 11.0M, False: 0]
  ------------------
 1843|  11.0M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  11.0M|            .visit(v, std::forward<Args>(args)...);
 1845|  11.0M|    } else {
 1846|  3.17k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.17k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.17k|    }
 1849|  11.0M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  11.0M|    {
 1814|  11.0M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  11.0M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  3.17k|    {
 1037|  3.17k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.17k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1750|  34.4k|    {
 1751|  34.4k|        auto offset     = relaxed_->d.count - 1;
 1752|  34.4k|        auto child      = node_->inner()[offset];
 1753|  34.4k|        auto child_size = size(offset);
 1754|  34.4k|        auto is_leaf    = shift_ == BL;
 1755|  34.4k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 0, False: 34.4k]
  ------------------
 1756|  34.4k|                       : visit_maybe_relaxed_sub(
 1757|  34.4k|                             child, shift_ - B, child_size, v, args...);
 1758|  34.4k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  34.4k|{
 1839|  34.4k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 34.4k, False: 0]
  ------------------
 1840|  34.4k|    auto relaxed = node->relaxed();
 1841|  34.4k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 33.6k, False: 780]
  ------------------
 1842|  33.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 33.6k, False: 0]
  ------------------
 1843|  33.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  33.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  33.6k|    } else {
 1846|    780|        return make_regular_sub_pos(node, shift, size)
 1847|    780|            .visit(v, std::forward<Args>(args)...);
 1848|    780|    }
 1849|  34.4k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1813|  33.6k|    {
 1814|  33.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  33.6k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  970|  3.37k|    {
  971|  3.37k|        auto is_leaf = shift_ == BL;
  972|  3.37k|        auto child   = node_->inner()[0];
  973|  3.37k|        auto is_full = size_ >= (size_t{1} << shift_);
  974|  3.37k|        return is_full
  ------------------
  |  Branch (974:16): [True: 3.37k, False: 0]
  ------------------
  975|  3.37k|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 3.37k]
  ------------------
  976|  3.37k|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|  3.37k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|  3.37k|                   : (is_leaf
  ------------------
  |  Branch (978:23): [True: 0, False: 0]
  ------------------
  979|      0|                          ? make_leaf_sub_pos(child, size_).visit(v, args...)
  980|      0|                          : make_regular_sub_pos(child, shift_ - B, size_)
  981|      0|                                .visit(v, args...));
  982|  3.37k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1405|  3.79k|    {
 1406|  3.79k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.79k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1361|    421|    {
 1362|    421|        auto is_leaf = shift_ == BL;
 1363|    421|        auto child   = node_->inner()[0];
 1364|    421|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 421]
  ------------------
 1365|    421|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|    421|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
 1750|  3.59k|    {
 1751|  3.59k|        auto offset     = relaxed_->d.count - 1;
 1752|  3.59k|        auto child      = node_->inner()[offset];
 1753|  3.59k|        auto child_size = size(offset);
 1754|  3.59k|        auto is_leaf    = shift_ == BL;
 1755|  3.59k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 3.16k, False: 430]
  ------------------
 1756|  3.59k|                       : visit_maybe_relaxed_sub(
 1757|    430|                             child, shift_ - B, child_size, v, args...);
 1758|  3.59k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|    430|{
 1839|    430|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 430, False: 0]
  ------------------
 1840|    430|    auto relaxed = node->relaxed();
 1841|    430|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 223, False: 207]
  ------------------
 1842|    223|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 223, False: 0]
  ------------------
 1843|    223|        return make_relaxed_pos(node, shift, relaxed)
 1844|    223|            .visit(v, std::forward<Args>(args)...);
 1845|    223|    } else {
 1846|    207|        return make_regular_sub_pos(node, shift, size)
 1847|    207|            .visit(v, std::forward<Args>(args)...);
 1848|    207|    }
 1849|    430|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
 1813|    223|    {
 1814|    223|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    223|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1750|  16.9k|    {
 1751|  16.9k|        auto offset     = relaxed_->d.count - 1;
 1752|  16.9k|        auto child      = node_->inner()[offset];
 1753|  16.9k|        auto child_size = size(offset);
 1754|  16.9k|        auto is_leaf    = shift_ == BL;
 1755|  16.9k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 7.90k, False: 9.03k]
  ------------------
 1756|  16.9k|                       : visit_maybe_relaxed_sub(
 1757|  9.03k|                             child, shift_ - B, child_size, v, args...);
 1758|  16.9k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  9.03k|{
 1839|  9.03k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 9.03k, False: 0]
  ------------------
 1840|  9.03k|    auto relaxed = node->relaxed();
 1841|  9.03k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.91k, False: 6.12k]
  ------------------
 1842|  2.91k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.91k, False: 0]
  ------------------
 1843|  2.91k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.91k|            .visit(v, std::forward<Args>(args)...);
 1845|  6.12k|    } else {
 1846|  6.12k|        return make_regular_sub_pos(node, shift, size)
 1847|  6.12k|            .visit(v, std::forward<Args>(args)...);
 1848|  6.12k|    }
 1849|  9.03k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1813|  2.91k|    {
 1814|  2.91k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.91k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1750|  12.3M|    {
 1751|  12.3M|        auto offset     = relaxed_->d.count - 1;
 1752|  12.3M|        auto child      = node_->inner()[offset];
 1753|  12.3M|        auto child_size = size(offset);
 1754|  12.3M|        auto is_leaf    = shift_ == BL;
 1755|  12.3M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 643k, False: 11.7M]
  ------------------
 1756|  12.3M|                       : visit_maybe_relaxed_sub(
 1757|  11.7M|                             child, shift_ - B, child_size, v, args...);
 1758|  12.3M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  11.7M|{
 1839|  11.7M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 11.7M, False: 0]
  ------------------
 1840|  11.7M|    auto relaxed = node->relaxed();
 1841|  11.7M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 10.9M, False: 743k]
  ------------------
 1842|  10.9M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 10.9M, False: 0]
  ------------------
 1843|  10.9M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  10.9M|            .visit(v, std::forward<Args>(args)...);
 1845|  10.9M|    } else {
 1846|   743k|        return make_regular_sub_pos(node, shift, size)
 1847|   743k|            .visit(v, std::forward<Args>(args)...);
 1848|   743k|    }
 1849|  11.7M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1813|  10.9M|    {
 1814|  10.9M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  10.9M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  15.0k|    {
 1037|  15.0k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  15.0k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_25concat_trees_left_visitorISC_EEJNS1_8leaf_posISC_EERPSC_RjRmEEEDcT_DpOT0_:
 1036|  24.3k|    {
 1037|  24.3k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  24.3k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_26concat_trees_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  24.3k|{
 1839|  24.3k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 24.3k, False: 0]
  ------------------
 1840|  24.3k|    auto relaxed = node->relaxed();
 1841|  24.3k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 6.67k, False: 17.6k]
  ------------------
 1842|  6.67k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 6.67k, False: 0]
  ------------------
 1843|  6.67k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  6.67k|            .visit(v, std::forward<Args>(args)...);
 1845|  17.6k|    } else {
 1846|  17.6k|        return make_regular_sub_pos(node, shift, size)
 1847|  17.6k|            .visit(v, std::forward<Args>(args)...);
 1848|  17.6k|    }
 1849|  24.3k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  6.67k|    {
 1814|  6.67k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  6.67k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  17.6k|    {
 1037|  17.6k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  17.6k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1813|   207k|    {
 1814|   207k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   207k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11last_oh_cshINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_jmDpOT0_:
 1737|   201k|    {
 1738|   201k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 201k, False: 0]
  ------------------
 1739|   201k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 201k, False: 0]
  ------------------
 1740|   201k|        auto child   = node_->inner()[offset_hint];
 1741|   201k|        auto is_leaf = shift_ == BL;
 1742|   201k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 201k]
  ------------------
 1743|   201k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|   201k|                   : visit_maybe_relaxed_sub(
 1745|   201k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|   201k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcPT_jmT0_DpOT1_:
 1838|   201k|{
 1839|   201k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 201k, False: 0]
  ------------------
 1840|   201k|    auto relaxed = node->relaxed();
 1841|   201k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 37.6k, False: 163k]
  ------------------
 1842|  37.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 37.6k, False: 0]
  ------------------
 1843|  37.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  37.6k|            .visit(v, std::forward<Args>(args)...);
 1845|   163k|    } else {
 1846|   163k|        return make_regular_sub_pos(node, shift, size)
 1847|   163k|            .visit(v, std::forward<Args>(args)...);
 1848|   163k|    }
 1849|   201k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1036|   163k|    {
 1037|   163k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   163k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  952|   306k|    {
  953|   306k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|   306k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb1EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|   306k|{
  678|   306k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 306k, False: 0]
  ------------------
  679|   306k|    constexpr auto B  = bits<Pos>;
  680|   306k|    constexpr auto BL = bits_leaf<Pos>;
  681|   306k|    auto child        = p.node()->inner()[offset_hint];
  682|   306k|    auto is_leaf      = p.shift() == BL;
  683|   306k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 306k]
  ------------------
  684|   306k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   306k|                         .visit(v, args...);
  686|   306k|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_DpOT0_:
  336|  1.52M|    {
  337|  1.52M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.52M|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  330|  1.21M|    {
  331|  1.21M|        return last_oh_regular(*this, v, offset_hint, args...);
  332|  1.21M|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb1EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|  1.21M|{
  678|  1.21M|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 1.21M, False: 0]
  ------------------
  679|  1.21M|    constexpr auto B  = bits<Pos>;
  680|  1.21M|    constexpr auto BL = bits_leaf<Pos>;
  681|  1.21M|    auto child        = p.node()->inner()[offset_hint];
  682|  1.21M|    auto is_leaf      = p.shift() == BL;
  683|  1.21M|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 1.21M]
  ------------------
  684|  1.21M|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  1.21M|                         .visit(v, args...);
  686|  1.21M|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  330|  2.23k|    {
  331|  2.23k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|  2.23k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb0EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|  2.23k|{
  678|  2.23k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 2.23k, False: 0]
  ------------------
  679|  2.23k|    constexpr auto B  = bits<Pos>;
  680|  2.23k|    constexpr auto BL = bits_leaf<Pos>;
  681|  2.23k|    auto child        = p.node()->inner()[offset_hint];
  682|  2.23k|    auto is_leaf      = p.shift() == BL;
  683|  2.23k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 2.23k]
  ------------------
  684|  2.23k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  2.23k|                         .visit(v, args...);
  686|  2.23k|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_DpOT0_:
  336|  3.34k|    {
  337|  3.34k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.34k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  952|  1.10k|    {
  953|  1.10k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|  1.10k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb0EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|  1.10k|{
  678|  1.10k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 1.10k, False: 0]
  ------------------
  679|  1.10k|    constexpr auto B  = bits<Pos>;
  680|  1.10k|    constexpr auto BL = bits_leaf<Pos>;
  681|  1.10k|    auto child        = p.node()->inner()[offset_hint];
  682|  1.10k|    auto is_leaf      = p.shift() == BL;
  683|  1.10k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 1.10k]
  ------------------
  684|  1.10k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  1.10k|                         .visit(v, args...);
  686|  1.10k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE11last_oh_cshINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_jmDpOT0_:
 1737|  5.32k|    {
 1738|  5.32k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 5.32k, False: 0]
  ------------------
 1739|  5.32k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 5.32k, False: 0]
  ------------------
 1740|  5.32k|        auto child   = node_->inner()[offset_hint];
 1741|  5.32k|        auto is_leaf = shift_ == BL;
 1742|  5.32k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 5.32k]
  ------------------
 1743|  5.32k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|  5.32k|                   : visit_maybe_relaxed_sub(
 1745|  5.32k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|  5.32k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcPT_jmT0_DpOT1_:
 1838|  5.32k|{
 1839|  5.32k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 5.32k, False: 0]
  ------------------
 1840|  5.32k|    auto relaxed = node->relaxed();
 1841|  5.32k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 4.65k, False: 679]
  ------------------
 1842|  4.65k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 4.65k, False: 0]
  ------------------
 1843|  4.65k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  4.65k|            .visit(v, std::forward<Args>(args)...);
 1845|  4.65k|    } else {
 1846|    679|        return make_regular_sub_pos(node, shift, size)
 1847|    679|            .visit(v, std::forward<Args>(args)...);
 1848|    679|    }
 1849|  5.32k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1813|  4.65k|    {
 1814|  4.65k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  4.65k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1036|    679|    {
 1037|    679|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    679|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_DpOT0_:
 1036|   153k|    {
 1037|   153k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   153k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editEPPSC_EEEDcPT_jmT0_DpOT1_:
 1838|  14.8k|{
 1839|  14.8k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 14.8k, False: 0]
  ------------------
 1840|  14.8k|    auto relaxed = node->relaxed();
 1841|  14.8k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 12.5k, False: 2.29k]
  ------------------
 1842|  12.5k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 12.5k, False: 0]
  ------------------
 1843|  12.5k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  12.5k|            .visit(v, std::forward<Args>(args)...);
 1845|  12.5k|    } else {
 1846|  2.29k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.29k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.29k|    }
 1849|  14.8k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_DpOT0_:
 1813|  12.5k|    {
 1814|  12.5k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  12.5k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjDpOT0_:
 1686|  62.9k|    {
 1687|  62.9k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 62.9k, False: 0]
  ------------------
 1688|  62.9k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 16.4k, False: 46.5k]
  ------------------
 1689|  62.9k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  62.9k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_mjmDpOT0_:
 1698|  62.9k|    {
 1699|  62.9k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  62.9k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_mjmDpOT0_:
 1717|  62.9k|    {
 1718|  62.9k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 62.9k, False: 0]
  ------------------
 1719|  62.9k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 16.4k, False: 46.5k]
  |  Branch (1719:9): [True: 62.9k, False: 0]
  ------------------
 1720|  62.9k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  62.9k|        auto child     = node_->inner()[offset_hint];
 1722|  62.9k|        auto is_leaf   = shift_ == BL;
 1723|  62.9k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  62.9k|        auto next_idx  = idx - left_size_hint;
 1725|  62.9k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 10.2k, False: 52.7k]
  ------------------
 1726|  62.9k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  10.2k|                         .visit(v, next_idx, args...)
 1728|  62.9k|                   : visit_maybe_relaxed_sub(
 1729|  52.7k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  62.9k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  144|  10.2k|    {
  145|  10.2k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  10.2k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcPT_jmT0_DpOT1_:
 1838|  52.7k|{
 1839|  52.7k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 52.7k, False: 0]
  ------------------
 1840|  52.7k|    auto relaxed = node->relaxed();
 1841|  52.7k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 50.3k, False: 2.35k]
  ------------------
 1842|  50.3k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 50.3k, False: 0]
  ------------------
 1843|  50.3k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  50.3k|            .visit(v, std::forward<Args>(args)...);
 1845|  50.3k|    } else {
 1846|  2.35k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.35k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.35k|    }
 1849|  52.7k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
 1813|  50.3k|    {
 1814|  50.3k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  50.3k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
 1036|  2.35k|    {
 1037|  2.35k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.35k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13towards_oh_chINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjjDpOT0_:
  938|  4.64k|    {
  939|  4.64k|        return towards_oh_ch_regular(
  940|  4.64k|            *this, v, idx, offset_hint, count(), args...);
  941|  4.64k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_15get_mut_visitorISD_EEJRNSB_5applyIS8_E4type4editERPPSD_EEEDcOT_T0_mjjDpOT1_:
  632|  4.64k|{
  633|  4.64k|    constexpr auto B  = bits<Pos>;
  634|  4.64k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.64k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.64k, False: 0]
  ------------------
  636|  4.64k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.64k, False: 0]
  ------------------
  637|  4.64k|    auto is_leaf = p.shift() == BL;
  638|  4.64k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.64k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.64k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.03k, False: 2.61k]
  ------------------
  641|  4.64k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.03k, False: 1.00k]
  ------------------
  642|  2.03k|                          : make_full_pos(child, p.shift() - B)
  643|  1.00k|                                .visit(v, idx, args...))
  644|  4.64k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 620, False: 1.99k]
  ------------------
  645|  2.61k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.61k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  1.99k|                            .visit(v, idx, args...));
  648|  4.64k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  207|  3.60k|    {
  208|  3.60k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.60k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
 1405|  2.94k|    {
 1406|  2.94k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.94k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13towards_oh_chINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjjDpOT0_:
 1329|  2.94k|    {
 1330|  2.94k|        return towards_oh(v, idx, offset_hint, args...);
 1331|  2.94k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_mjDpOT0_:
 1336|  2.94k|    {
 1337|  2.94k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.94k, False: 0]
  ------------------
 1338|  2.94k|        auto is_leaf = shift_ == BL;
 1339|  2.94k|        auto child   = node_->inner()[offset_hint];
 1340|  2.94k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 2.26k, False: 681]
  ------------------
 1341|  2.94k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.94k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.94k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  112|  1.03k|    {
  113|  1.03k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  1.03k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  336|  2.49k|    {
  337|  2.49k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  2.49k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13towards_oh_chINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjjDpOT0_:
  316|  2.49k|    {
  317|  2.49k|        return towards_oh_ch_regular(
  318|  2.49k|            *this, v, idx, offset_hint, count(), args...);
  319|  2.49k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_15get_mut_visitorISD_EEJRNSB_5applyIS8_E4type4editERPPSD_EEEDcOT_T0_mjjDpOT1_:
  632|  2.49k|{
  633|  2.49k|    constexpr auto B  = bits<Pos>;
  634|  2.49k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.49k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.49k, False: 0]
  ------------------
  636|  2.49k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.49k, False: 0]
  ------------------
  637|  2.49k|    auto is_leaf = p.shift() == BL;
  638|  2.49k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.49k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.49k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.57k, False: 915]
  ------------------
  641|  2.49k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 312, False: 1.26k]
  ------------------
  642|  1.57k|                          : make_full_pos(child, p.shift() - B)
  643|  1.26k|                                .visit(v, idx, args...))
  644|  2.49k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 418, False: 497]
  ------------------
  645|    915|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    915|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    497|                            .visit(v, idx, args...));
  648|  2.49k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_DpOT0_:
 1036|  2.29k|    {
 1037|  2.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.29k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  40.9k|{
 1839|  40.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 40.9k, False: 0]
  ------------------
 1840|  40.9k|    auto relaxed = node->relaxed();
 1841|  40.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 29.4k, False: 11.5k]
  ------------------
 1842|  29.4k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 29.4k, False: 0]
  ------------------
 1843|  29.4k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  29.4k|            .visit(v, std::forward<Args>(args)...);
 1845|  29.4k|    } else {
 1846|  11.5k|        return make_regular_sub_pos(node, shift, size)
 1847|  11.5k|            .visit(v, std::forward<Args>(args)...);
 1848|  11.5k|    }
 1849|  40.9k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  29.4k|    {
 1814|  29.4k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  29.4k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  11.2k|    {
 1687|  11.2k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 11.2k, False: 0]
  ------------------
 1688|  11.2k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 11.2k]
  ------------------
 1689|  11.2k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  11.2k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  11.2k|    {
 1699|  11.2k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  11.2k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  11.2k|    {
 1718|  11.2k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 11.2k, False: 0]
  ------------------
 1719|  11.2k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 11.2k]
  |  Branch (1719:9): [True: 11.2k, False: 0]
  ------------------
 1720|  11.2k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  11.2k|        auto child     = node_->inner()[offset_hint];
 1722|  11.2k|        auto is_leaf   = shift_ == BL;
 1723|  11.2k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  11.2k|        auto next_idx  = idx - left_size_hint;
 1725|  11.2k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 944, False: 10.3k]
  ------------------
 1726|  11.2k|                   ? make_leaf_sub_pos(child, next_size)
 1727|    944|                         .visit(v, next_idx, args...)
 1728|  11.2k|                   : visit_maybe_relaxed_sub(
 1729|  10.3k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  11.2k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|    944|    {
  145|    944|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    944|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  19.8k|    {
 1687|  19.8k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 19.8k, False: 0]
  ------------------
 1688|  19.8k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 19.8k]
  ------------------
 1689|  19.8k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  19.8k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  19.8k|    {
 1699|  19.8k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  19.8k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  19.8k|    {
 1718|  19.8k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 19.8k, False: 0]
  ------------------
 1719|  19.8k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 19.8k]
  |  Branch (1719:9): [True: 19.8k, False: 0]
  ------------------
 1720|  19.8k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  19.8k|        auto child     = node_->inner()[offset_hint];
 1722|  19.8k|        auto is_leaf   = shift_ == BL;
 1723|  19.8k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  19.8k|        auto next_idx  = idx - left_size_hint;
 1725|  19.8k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 1.02k, False: 18.7k]
  ------------------
 1726|  19.8k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  1.02k|                         .visit(v, next_idx, args...)
 1728|  19.8k|                   : visit_maybe_relaxed_sub(
 1729|  18.7k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  19.8k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  1.02k|    {
  145|  1.02k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.02k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  18.7k|{
 1839|  18.7k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 18.7k, False: 0]
  ------------------
 1840|  18.7k|    auto relaxed = node->relaxed();
 1841|  18.7k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 17.6k, False: 1.10k]
  ------------------
 1842|  17.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 17.6k, False: 0]
  ------------------
 1843|  17.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  17.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  17.6k|    } else {
 1846|  1.10k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.10k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.10k|    }
 1849|  18.7k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  17.6k|    {
 1814|  17.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  17.6k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.10k|    {
 1037|  1.10k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.10k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  2.43k|    {
  928|  2.43k|        return towards_oh_ch_regular(
  929|  2.43k|            *this, v, idx, offset_hint, count(), args...);
  930|  2.43k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb1ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  2.43k|{
  633|  2.43k|    constexpr auto B  = bits<Pos>;
  634|  2.43k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.43k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.43k, False: 0]
  ------------------
  636|  2.43k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.43k, False: 0]
  ------------------
  637|  2.43k|    auto is_leaf = p.shift() == BL;
  638|  2.43k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.43k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.43k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.03k, False: 403]
  ------------------
  641|  2.43k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 480, False: 1.55k]
  ------------------
  642|  2.03k|                          : make_full_pos(child, p.shift() - B)
  643|  1.55k|                                .visit(v, idx, args...))
  644|  2.43k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 403, False: 0]
  ------------------
  645|    403|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    403|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  2.43k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  1.58k|    {
  208|  1.58k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.58k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  1.83k|    {
 1406|  1.83k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.83k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  1.38k|    {
 1337|  1.38k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 1.38k, False: 0]
  ------------------
 1338|  1.38k|        auto is_leaf = shift_ == BL;
 1339|  1.38k|        auto child   = node_->inner()[offset_hint];
 1340|  1.38k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.10k, False: 284]
  ------------------
 1341|  1.38k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  1.38k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  1.38k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  2.08k|    {
 1337|  2.08k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.08k, False: 0]
  ------------------
 1338|  2.08k|        auto is_leaf = shift_ == BL;
 1339|  2.08k|        auto child   = node_->inner()[offset_hint];
 1340|  2.08k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.32k, False: 767]
  ------------------
 1341|  2.08k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.08k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.08k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  3.12k|    {
  208|  3.12k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.12k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  3.38k|    {
 1406|  3.38k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.38k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1405|  2.75k|    {
 1406|  2.75k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.75k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  9.49k|    {
 1337|  9.49k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 9.49k, False: 0]
  ------------------
 1338|  9.49k|        auto is_leaf = shift_ == BL;
 1339|  9.49k|        auto child   = node_->inner()[offset_hint];
 1340|  9.49k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 7.12k, False: 2.36k]
  ------------------
 1341|  9.49k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  9.49k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  9.49k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  9.36k|    {
  208|  9.36k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  9.36k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  5.40k|    {
 1406|  5.40k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  5.40k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1310|  2.83k|    {
 1311|  2.83k|        each_i(v, start, branches<B>, args...);
 1312|  2.83k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE6each_iINS1_11dec_visitorEJEEEvT_jjDpOT0_:
 1263|  4.22k|    {
 1264|  4.22k|        auto p = node_->inner() + i;
 1265|  4.22k|        auto e = node_->inner() + n;
 1266|  4.22k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 2.55k, False: 1.67k]
  ------------------
 1267|  13.6k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 11.1k, False: 2.55k]
  ------------------
 1268|  11.1k|                IMMER_PREFETCH(p + 1);
 1269|  11.1k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|  11.1k|            }
 1271|  2.55k|        } else {
 1272|  1.67k|            auto ss = shift_ - B;
 1273|  9.09k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 7.42k, False: 1.67k]
  ------------------
 1274|  7.42k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  1.67k|        }
 1276|  4.22k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|    403|    {
  113|    403|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    403|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  305|  2.76k|    {
  306|  2.76k|        return towards_oh_ch_regular(
  307|  2.76k|            *this, v, idx, offset_hint, count(), args...);
  308|  2.76k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  2.76k|{
  633|  2.76k|    constexpr auto B  = bits<Pos>;
  634|  2.76k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.76k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.76k, False: 0]
  ------------------
  636|  2.76k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.76k, False: 0]
  ------------------
  637|  2.76k|    auto is_leaf = p.shift() == BL;
  638|  2.76k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.76k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.76k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.75k, False: 1.00k]
  ------------------
  641|  2.76k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 826, False: 931]
  ------------------
  642|  1.75k|                          : make_full_pos(child, p.shift() - B)
  643|    931|                                .visit(v, idx, args...))
  644|  2.76k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 660, False: 348]
  ------------------
  645|  1.00k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.00k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    348|                            .visit(v, idx, args...));
  648|  2.76k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|  1.57k|    {
  113|  1.57k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  1.57k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  336|  3.89k|    {
  337|  3.89k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.89k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
  336|  1.45k|    {
  337|  1.45k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.45k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  305|  4.37k|    {
  306|  4.37k|        return towards_oh_ch_regular(
  307|  4.37k|            *this, v, idx, offset_hint, count(), args...);
  308|  4.37k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  4.37k|{
  633|  4.37k|    constexpr auto B  = bits<Pos>;
  634|  4.37k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.37k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.37k, False: 0]
  ------------------
  636|  4.37k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.37k, False: 0]
  ------------------
  637|  4.37k|    auto is_leaf = p.shift() == BL;
  638|  4.37k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.37k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.37k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.96k, False: 2.41k]
  ------------------
  641|  4.37k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 895, False: 1.07k]
  ------------------
  642|  1.96k|                          : make_full_pos(child, p.shift() - B)
  643|  1.07k|                                .visit(v, idx, args...))
  644|  4.37k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.75k, False: 660]
  ------------------
  645|  2.41k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.41k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    660|                            .visit(v, idx, args...));
  648|  4.37k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|  2.56k|    {
  113|  2.56k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.56k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  336|  3.25k|    {
  337|  3.25k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.25k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
  285|  2.76k|    {
  286|  2.76k|        return each_right_regular(*this, v, start, args...);
  287|  2.76k|    }
_ZN5immer6detail4rbts18each_right_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_jDpOT1_:
  597|  2.76k|{
  598|  2.76k|    constexpr auto B  = bits<Pos>;
  599|  2.76k|    constexpr auto BL = bits_leaf<Pos>;
  600|       |
  601|  2.76k|    if (p.shift() == BL) {
  ------------------
  |  Branch (601:9): [True: 1.48k, False: 1.27k]
  ------------------
  602|  1.48k|        auto n    = p.node()->inner() + start;
  603|  1.48k|        auto last = p.count() - 1;
  604|  1.48k|        auto e    = p.node()->inner() + last;
  605|  1.48k|        if (n <= e) {
  ------------------
  |  Branch (605:13): [True: 826, False: 660]
  ------------------
  606|  2.81k|            for (; n != e; ++n) {
  ------------------
  |  Branch (606:20): [True: 1.99k, False: 826]
  ------------------
  607|  1.99k|                IMMER_PREFETCH(n + 1);
  608|  1.99k|                make_full_leaf_pos(*n).visit(v, args...);
  609|  1.99k|            }
  610|    826|            make_leaf_pos(*n, p.size()).visit(v, args...);
  611|    826|        }
  612|  1.48k|    } else {
  613|  1.27k|        auto n    = p.node()->inner() + start;
  614|  1.27k|        auto last = p.count() - 1;
  615|  1.27k|        auto e    = p.node()->inner() + last;
  616|  1.27k|        auto ss   = p.shift() - B;
  617|  1.27k|        if (n <= e) {
  ------------------
  |  Branch (617:13): [True: 931, False: 348]
  ------------------
  618|  2.18k|            for (; n != e; ++n)
  ------------------
  |  Branch (618:20): [True: 1.25k, False: 931]
  ------------------
  619|  1.25k|                make_full_pos(*n, ss).visit(v, args...);
  620|    931|            make_regular_pos(*n, ss, p.size()).visit(v, args...);
  621|    931|        }
  622|  1.27k|    }
  623|  2.76k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  7.13k|    {
  928|  7.13k|        return towards_oh_ch_regular(
  929|  7.13k|            *this, v, idx, offset_hint, count(), args...);
  930|  7.13k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  7.13k|{
  633|  7.13k|    constexpr auto B  = bits<Pos>;
  634|  7.13k|    constexpr auto BL = bits_leaf<Pos>;
  635|  7.13k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 7.13k, False: 0]
  ------------------
  636|  7.13k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 7.13k, False: 0]
  ------------------
  637|  7.13k|    auto is_leaf = p.shift() == BL;
  638|  7.13k|    auto child   = p.node()->inner()[offset_hint];
  639|  7.13k|    auto is_full = offset_hint + 1 != count_hint;
  640|  7.13k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.67k, False: 4.46k]
  ------------------
  641|  7.13k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 982, False: 1.68k]
  ------------------
  642|  2.67k|                          : make_full_pos(child, p.shift() - B)
  643|  1.68k|                                .visit(v, idx, args...))
  644|  7.13k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 918, False: 3.54k]
  ------------------
  645|  4.46k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  4.46k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  3.54k|                            .visit(v, idx, args...));
  648|  7.13k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  6.70k|    {
  928|  6.70k|        return towards_oh_ch_regular(
  929|  6.70k|            *this, v, idx, offset_hint, count(), args...);
  930|  6.70k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  6.70k|{
  633|  6.70k|    constexpr auto B  = bits<Pos>;
  634|  6.70k|    constexpr auto BL = bits_leaf<Pos>;
  635|  6.70k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 6.70k, False: 0]
  ------------------
  636|  6.70k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 6.70k, False: 0]
  ------------------
  637|  6.70k|    auto is_leaf = p.shift() == BL;
  638|  6.70k|    auto child   = p.node()->inner()[offset_hint];
  639|  6.70k|    auto is_full = offset_hint + 1 != count_hint;
  640|  6.70k|    return is_full
  ------------------
  |  Branch (640:12): [True: 3.30k, False: 3.40k]
  ------------------
  641|  6.70k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.34k, False: 1.96k]
  ------------------
  642|  3.30k|                          : make_full_pos(child, p.shift() - B)
  643|  1.96k|                                .visit(v, idx, args...))
  644|  6.70k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 810, False: 2.59k]
  ------------------
  645|  3.40k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  3.40k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.59k|                            .visit(v, idx, args...));
  648|  6.70k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
  867|  11.5k|    {
  868|  11.5k|        return each_right_regular(*this, v, start, args...);
  869|  11.5k|    }
_ZN5immer6detail4rbts18each_right_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_jDpOT1_:
  597|  11.5k|{
  598|  11.5k|    constexpr auto B  = bits<Pos>;
  599|  11.5k|    constexpr auto BL = bits_leaf<Pos>;
  600|       |
  601|  11.5k|    if (p.shift() == BL) {
  ------------------
  |  Branch (601:9): [True: 3.51k, False: 7.99k]
  ------------------
  602|  3.51k|        auto n    = p.node()->inner() + start;
  603|  3.51k|        auto last = p.count() - 1;
  604|  3.51k|        auto e    = p.node()->inner() + last;
  605|  3.51k|        if (n <= e) {
  ------------------
  |  Branch (605:13): [True: 1.90k, False: 1.61k]
  ------------------
  606|  3.88k|            for (; n != e; ++n) {
  ------------------
  |  Branch (606:20): [True: 1.97k, False: 1.90k]
  ------------------
  607|  1.97k|                IMMER_PREFETCH(n + 1);
  608|  1.97k|                make_full_leaf_pos(*n).visit(v, args...);
  609|  1.97k|            }
  610|  1.90k|            make_leaf_pos(*n, p.size()).visit(v, args...);
  611|  1.90k|        }
  612|  7.99k|    } else {
  613|  7.99k|        auto n    = p.node()->inner() + start;
  614|  7.99k|        auto last = p.count() - 1;
  615|  7.99k|        auto e    = p.node()->inner() + last;
  616|  7.99k|        auto ss   = p.shift() - B;
  617|  7.99k|        if (n <= e) {
  ------------------
  |  Branch (617:13): [True: 4.45k, False: 3.54k]
  ------------------
  618|  5.75k|            for (; n != e; ++n)
  ------------------
  |  Branch (618:20): [True: 1.30k, False: 4.45k]
  ------------------
  619|  1.30k|                make_full_pos(*n, ss).visit(v, args...);
  620|  4.45k|            make_regular_pos(*n, ss, p.size()).visit(v, args...);
  621|  4.45k|        }
  622|  7.99k|    }
  623|  11.5k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1813|  19.6k|    {
 1814|  19.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  19.6k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  12.5k|    {
 1687|  12.5k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 12.5k, False: 0]
  ------------------
 1688|  12.5k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 11.1k, False: 1.33k]
  ------------------
 1689|  12.5k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  12.5k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  12.5k|    {
 1699|  12.5k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  12.5k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  12.5k|    {
 1718|  12.5k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 12.5k, False: 0]
  ------------------
 1719|  12.5k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 11.1k, False: 1.33k]
  |  Branch (1719:9): [True: 12.5k, False: 0]
  ------------------
 1720|  12.5k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  12.5k|        auto child     = node_->inner()[offset_hint];
 1722|  12.5k|        auto is_leaf   = shift_ == BL;
 1723|  12.5k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  12.5k|        auto next_idx  = idx - left_size_hint;
 1725|  12.5k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 2.80k, False: 9.70k]
  ------------------
 1726|  12.5k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  2.80k|                         .visit(v, next_idx, args...)
 1728|  12.5k|                   : visit_maybe_relaxed_sub(
 1729|  9.70k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  12.5k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  2.80k|    {
  145|  2.80k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  2.80k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  9.70k|{
 1839|  9.70k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 9.70k, False: 0]
  ------------------
 1840|  9.70k|    auto relaxed = node->relaxed();
 1841|  9.70k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 4.57k, False: 5.13k]
  ------------------
 1842|  4.57k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 4.57k, False: 0]
  ------------------
 1843|  4.57k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  4.57k|            .visit(v, std::forward<Args>(args)...);
 1845|  5.13k|    } else {
 1846|  5.13k|        return make_regular_sub_pos(node, shift, size)
 1847|  5.13k|            .visit(v, std::forward<Args>(args)...);
 1848|  5.13k|    }
 1849|  9.70k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  4.57k|    {
 1814|  4.57k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  4.57k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  5.13k|    {
 1037|  5.13k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  5.13k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1036|  9.57k|    {
 1037|  9.57k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  9.57k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  12.5k|    {
 1687|  12.5k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 12.5k, False: 0]
  ------------------
 1688|  12.5k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 9.91k, False: 2.59k]
  ------------------
 1689|  12.5k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  12.5k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  12.5k|    {
 1699|  12.5k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  12.5k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  12.5k|    {
 1718|  12.5k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 12.5k, False: 0]
  ------------------
 1719|  12.5k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 9.91k, False: 2.59k]
  |  Branch (1719:9): [True: 12.5k, False: 0]
  ------------------
 1720|  12.5k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  12.5k|        auto child     = node_->inner()[offset_hint];
 1722|  12.5k|        auto is_leaf   = shift_ == BL;
 1723|  12.5k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  12.5k|        auto next_idx  = idx - left_size_hint;
 1725|  12.5k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 5.15k, False: 7.34k]
  ------------------
 1726|  12.5k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  5.15k|                         .visit(v, next_idx, args...)
 1728|  12.5k|                   : visit_maybe_relaxed_sub(
 1729|  7.34k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  12.5k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  5.15k|    {
  145|  5.15k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  5.15k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  7.34k|{
 1839|  7.34k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.34k, False: 0]
  ------------------
 1840|  7.34k|    auto relaxed = node->relaxed();
 1841|  7.34k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 4.44k, False: 2.89k]
  ------------------
 1842|  4.44k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 4.44k, False: 0]
  ------------------
 1843|  4.44k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  4.44k|            .visit(v, std::forward<Args>(args)...);
 1845|  4.44k|    } else {
 1846|  2.89k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.89k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.89k|    }
 1849|  7.34k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  4.44k|    {
 1814|  4.44k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  4.44k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  2.89k|    {
 1037|  2.89k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.89k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1653|  23.8k|    {
 1654|  23.8k|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 23.8k, False: 0]
  ------------------
 1655|  23.8k|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 23.8k, False: 0]
  ------------------
 1656|  23.8k|        auto s = relaxed_->d.sizes[start - 1];
 1657|  23.8k|        auto p = node_->inner();
 1658|  23.8k|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 3.75k, False: 20.0k]
  ------------------
 1659|  16.3k|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 12.5k, False: 3.75k]
  ------------------
 1660|  12.5k|                IMMER_PREFETCH(p + i + 1);
 1661|  12.5k|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  12.5k|                    .visit(v, args...);
 1663|  12.5k|                s = relaxed_->d.sizes[i];
 1664|  12.5k|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 12.5k, False: 0]
  ------------------
 1665|  12.5k|            }
 1666|  20.0k|        } else {
 1667|  20.0k|            auto ss = shift_ - B;
 1668|  89.0k|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 68.9k, False: 20.0k]
  ------------------
 1669|  68.9k|                visit_maybe_relaxed_sub(
 1670|  68.9k|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  68.9k|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 68.9k, False: 0]
  ------------------
 1673|  68.9k|            }
 1674|  20.0k|        }
 1675|  23.8k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  11.5k|    {
 1037|  11.5k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  11.5k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  4.37k|    {
  928|  4.37k|        return towards_oh_ch_regular(
  929|  4.37k|            *this, v, idx, offset_hint, count(), args...);
  930|  4.37k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb1ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  4.37k|{
  633|  4.37k|    constexpr auto B  = bits<Pos>;
  634|  4.37k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.37k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.37k, False: 0]
  ------------------
  636|  4.37k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.37k, False: 0]
  ------------------
  637|  4.37k|    auto is_leaf = p.shift() == BL;
  638|  4.37k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.37k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.37k|    return is_full
  ------------------
  |  Branch (640:12): [True: 3.68k, False: 696]
  ------------------
  641|  4.37k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 920, False: 2.76k]
  ------------------
  642|  3.68k|                          : make_full_pos(child, p.shift() - B)
  643|  2.76k|                                .visit(v, idx, args...))
  644|  4.37k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 696, False: 0]
  ------------------
  645|    696|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    696|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  4.37k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  1.33k|    {
  208|  1.33k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.33k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  3.09k|    {
 1406|  3.09k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.09k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|    747|    {
 1337|    747|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 747, False: 0]
  ------------------
 1338|    747|        auto is_leaf = shift_ == BL;
 1339|    747|        auto child   = node_->inner()[offset_hint];
 1340|    747|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 415, False: 332]
  ------------------
 1341|    747|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|    747|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|    747|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|    696|    {
  113|    696|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    696|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|    929|    {
  145|    929|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    929|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  65.4k|{
 1839|  65.4k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 65.4k, False: 0]
  ------------------
 1840|  65.4k|    auto relaxed = node->relaxed();
 1841|  65.4k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 59.5k, False: 5.94k]
  ------------------
 1842|  59.5k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 59.5k, False: 0]
  ------------------
 1843|  59.5k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  59.5k|            .visit(v, std::forward<Args>(args)...);
 1845|  59.5k|    } else {
 1846|  5.94k|        return make_regular_sub_pos(node, shift, size)
 1847|  5.94k|            .visit(v, std::forward<Args>(args)...);
 1848|  5.94k|    }
 1849|  65.4k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  59.5k|    {
 1814|  59.5k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  59.5k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|  2.12k|    {
 1706|  2.12k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 2.12k, False: 0]
  ------------------
 1707|  2.12k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 1.75k, False: 374]
  ------------------
 1708|  2.12k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  2.12k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  2.12k|    {
 1718|  2.12k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 2.12k, False: 0]
  ------------------
 1719|  2.12k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 1.75k, False: 374]
  |  Branch (1719:9): [True: 2.12k, False: 0]
  ------------------
 1720|  2.12k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  2.12k|        auto child     = node_->inner()[offset_hint];
 1722|  2.12k|        auto is_leaf   = shift_ == BL;
 1723|  2.12k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  2.12k|        auto next_idx  = idx - left_size_hint;
 1725|  2.12k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 2.12k]
  ------------------
 1726|  2.12k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  2.12k|                   : visit_maybe_relaxed_sub(
 1729|  2.12k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  2.12k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|  3.47k|    {
 1706|  3.47k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 3.47k, False: 0]
  ------------------
 1707|  3.47k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 2.97k, False: 505]
  ------------------
 1708|  3.47k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  3.47k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  3.47k|    {
 1718|  3.47k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 3.47k, False: 0]
  ------------------
 1719|  3.47k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 2.97k, False: 505]
  |  Branch (1719:9): [True: 3.47k, False: 0]
  ------------------
 1720|  3.47k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  3.47k|        auto child     = node_->inner()[offset_hint];
 1722|  3.47k|        auto is_leaf   = shift_ == BL;
 1723|  3.47k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  3.47k|        auto next_idx  = idx - left_size_hint;
 1725|  3.47k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 3.47k]
  ------------------
 1726|  3.47k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  3.47k|                   : visit_maybe_relaxed_sub(
 1729|  3.47k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  3.47k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  3.47k|{
 1839|  3.47k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 3.47k, False: 0]
  ------------------
 1840|  3.47k|    auto relaxed = node->relaxed();
 1841|  3.47k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.32k, False: 1.15k]
  ------------------
 1842|  2.32k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.32k, False: 0]
  ------------------
 1843|  2.32k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.32k|            .visit(v, std::forward<Args>(args)...);
 1845|  2.32k|    } else {
 1846|  1.15k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.15k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.15k|    }
 1849|  3.47k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  2.32k|    {
 1814|  2.32k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.32k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.15k|    {
 1037|  1.15k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.15k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  946|  1.42k|    {
  947|  1.42k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  1.42k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_22slice_left_mut_visitorISD_Lb1ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjDpOT1_:
  653|  1.42k|{
  654|  1.42k|    constexpr auto B  = bits<Pos>;
  655|  1.42k|    constexpr auto BL = bits_leaf<Pos>;
  656|  1.42k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 1.42k, False: 0]
  ------------------
  657|  1.42k|    auto is_leaf = p.shift() == BL;
  658|  1.42k|    auto child   = p.node()->inner()[offset_hint];
  659|  1.42k|    auto lsize   = offset_hint << p.shift();
  660|  1.42k|    auto size    = p.this_size();
  661|  1.42k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  1.42k|    return is_full
  ------------------
  |  Branch (662:12): [True: 627, False: 801]
  ------------------
  663|  1.42k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 627]
  ------------------
  664|    627|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|    627|                      : make_full_pos(child, p.shift() - B)
  666|    627|                            .visit(v, idx - lsize, args...))
  667|  1.42k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 801]
  ------------------
  668|    801|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|    801|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|    801|                            .visit(v, idx - lsize, args...));
  672|  1.42k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|    627|    {
 1406|    627|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    627|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1348|  1.38k|    {
 1349|  1.38k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 1.38k, False: 0]
  ------------------
 1350|  1.38k|        auto is_leaf = shift_ == BL;
 1351|  1.38k|        auto child   = node_->inner()[offset_hint];
 1352|  1.38k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  1.38k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 816, False: 571]
  ------------------
 1354|  1.38k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  1.38k|                   : make_full_pos(child, shift_ - B)
 1356|    571|                         .visit(v, idx - lsize, args...);
 1357|  1.38k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  2.84k|    {
  208|  2.84k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  2.84k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  1.56k|    {
 1406|  1.56k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.56k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1348|  3.69k|    {
 1349|  3.69k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 3.69k, False: 0]
  ------------------
 1350|  3.69k|        auto is_leaf = shift_ == BL;
 1351|  3.69k|        auto child   = node_->inner()[offset_hint];
 1352|  3.69k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  3.69k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 3.17k, False: 514]
  ------------------
 1354|  3.69k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  3.69k|                   : make_full_pos(child, shift_ - B)
 1356|    514|                         .visit(v, idx - lsize, args...);
 1357|  3.69k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  6.97k|    {
  208|  6.97k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  6.97k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  1.72k|    {
 1406|  1.72k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.72k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1316|  1.38k|    {
 1317|  1.38k|        each_i(v, 0, last, args...);
 1318|  1.38k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|    801|    {
 1037|    801|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    801|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_16dec_left_visitorEJRjEEEDcT_DpOT0_:
 1036|  2.22k|    {
 1037|  2.22k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.22k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  946|  3.02k|    {
  947|  3.02k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  3.02k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_22slice_left_mut_visitorISD_Lb0ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjDpOT1_:
  653|  3.02k|{
  654|  3.02k|    constexpr auto B  = bits<Pos>;
  655|  3.02k|    constexpr auto BL = bits_leaf<Pos>;
  656|  3.02k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 3.02k, False: 0]
  ------------------
  657|  3.02k|    auto is_leaf = p.shift() == BL;
  658|  3.02k|    auto child   = p.node()->inner()[offset_hint];
  659|  3.02k|    auto lsize   = offset_hint << p.shift();
  660|  3.02k|    auto size    = p.this_size();
  661|  3.02k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  3.02k|    return is_full
  ------------------
  |  Branch (662:12): [True: 3.02k, False: 0]
  ------------------
  663|  3.02k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 2.03k, False: 989]
  ------------------
  664|  3.02k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  3.02k|                      : make_full_pos(child, p.shift() - B)
  666|    989|                            .visit(v, idx - lsize, args...))
  667|  3.02k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 0]
  ------------------
  668|      0|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|      0|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|      0|                            .visit(v, idx - lsize, args...));
  672|  3.02k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  946|  5.00k|    {
  947|  5.00k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  5.00k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_22slice_left_mut_visitorISD_Lb0ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjDpOT1_:
  653|  5.00k|{
  654|  5.00k|    constexpr auto B  = bits<Pos>;
  655|  5.00k|    constexpr auto BL = bits_leaf<Pos>;
  656|  5.00k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 5.00k, False: 0]
  ------------------
  657|  5.00k|    auto is_leaf = p.shift() == BL;
  658|  5.00k|    auto child   = p.node()->inner()[offset_hint];
  659|  5.00k|    auto lsize   = offset_hint << p.shift();
  660|  5.00k|    auto size    = p.this_size();
  661|  5.00k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  5.00k|    return is_full
  ------------------
  |  Branch (662:12): [True: 5.00k, False: 0]
  ------------------
  663|  5.00k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 3.79k, False: 1.21k]
  ------------------
  664|  5.00k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  5.00k|                      : make_full_pos(child, p.shift() - B)
  666|  1.21k|                            .visit(v, idx - lsize, args...))
  667|  5.00k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 0]
  ------------------
  668|      0|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|      0|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|      0|                            .visit(v, idx - lsize, args...));
  672|  5.00k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_leftINS1_11dec_visitorEJEEEvT_jDpOT0_:
  873|  5.24k|    {
  874|  5.24k|        return each_left_regular(*this, v, last, args...);
  875|  5.24k|    }
_ZN5immer6detail4rbts17each_left_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_jDpOT1_:
  575|  5.24k|{
  576|  5.24k|    constexpr auto B  = bits<Pos>;
  577|  5.24k|    constexpr auto BL = bits_leaf<Pos>;
  578|  5.24k|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 5.24k, False: 0]
  ------------------
  579|  5.24k|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 2.03k, False: 3.21k]
  ------------------
  580|  2.03k|        auto n = p.node()->inner();
  581|  2.03k|        auto e = n + last;
  582|  5.49k|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 3.46k, False: 2.03k]
  ------------------
  583|  3.46k|            IMMER_PREFETCH(n + 1);
  584|  3.46k|            make_full_leaf_pos(*n).visit(v, args...);
  585|  3.46k|        }
  586|  3.21k|    } else {
  587|  3.21k|        auto n  = p.node()->inner();
  588|  3.21k|        auto e  = n + last;
  589|  3.21k|        auto ss = p.shift() - B;
  590|  5.58k|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 2.37k, False: 3.21k]
  ------------------
  591|  2.37k|            make_full_pos(*n, ss).visit(v, args...);
  592|  3.21k|    }
  593|  5.24k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_16dec_left_visitorEJRjEEEDcT_DpOT0_:
 1813|  2.12k|    {
 1814|  2.12k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.12k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|   171k|    {
 1706|   171k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 171k, False: 0]
  ------------------
 1707|   171k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 40.8k, False: 130k]
  ------------------
 1708|   171k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|   171k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|   171k|    {
 1718|   171k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 171k, False: 0]
  ------------------
 1719|   171k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 40.8k, False: 130k]
  |  Branch (1719:9): [True: 171k, False: 0]
  ------------------
 1720|   171k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   171k|        auto child     = node_->inner()[offset_hint];
 1722|   171k|        auto is_leaf   = shift_ == BL;
 1723|   171k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   171k|        auto next_idx  = idx - left_size_hint;
 1725|   171k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 3.83k, False: 167k]
  ------------------
 1726|   171k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  3.83k|                         .visit(v, next_idx, args...)
 1728|   171k|                   : visit_maybe_relaxed_sub(
 1729|   167k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   171k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  3.83k|    {
  145|  3.83k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  3.83k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|   167k|{
 1839|   167k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 167k, False: 0]
  ------------------
 1840|   167k|    auto relaxed = node->relaxed();
 1841|   167k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 166k, False: 1.64k]
  ------------------
 1842|   166k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 166k, False: 0]
  ------------------
 1843|   166k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   166k|            .visit(v, std::forward<Args>(args)...);
 1845|   166k|    } else {
 1846|  1.64k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.64k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.64k|    }
 1849|   167k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|   166k|    {
 1814|   166k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   166k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.64k|    {
 1037|  1.64k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.64k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|   134k|    {
 1706|   134k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 134k, False: 0]
  ------------------
 1707|   134k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 71.7k, False: 63.1k]
  ------------------
 1708|   134k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|   134k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|   134k|    {
 1718|   134k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 134k, False: 0]
  ------------------
 1719|   134k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 71.7k, False: 63.1k]
  |  Branch (1719:9): [True: 134k, False: 0]
  ------------------
 1720|   134k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   134k|        auto child     = node_->inner()[offset_hint];
 1722|   134k|        auto is_leaf   = shift_ == BL;
 1723|   134k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   134k|        auto next_idx  = idx - left_size_hint;
 1725|   134k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 49.6k, False: 85.2k]
  ------------------
 1726|   134k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  49.6k|                         .visit(v, next_idx, args...)
 1728|   134k|                   : visit_maybe_relaxed_sub(
 1729|  85.2k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   134k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  49.6k|    {
  145|  49.6k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  49.6k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  85.2k|{
 1839|  85.2k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 85.2k, False: 0]
  ------------------
 1840|  85.2k|    auto relaxed = node->relaxed();
 1841|  85.2k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 84.1k, False: 1.07k]
  ------------------
 1842|  84.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 84.1k, False: 0]
  ------------------
 1843|  84.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  84.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  84.1k|    } else {
 1846|  1.07k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.07k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.07k|    }
 1849|  85.2k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  84.1k|    {
 1814|  84.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  84.1k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.07k|    {
 1037|  1.07k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.07k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  5.94k|    {
 1037|  5.94k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  5.94k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  946|  2.22k|    {
  947|  2.22k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  2.22k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_22slice_left_mut_visitorISD_Lb1ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjDpOT1_:
  653|  2.22k|{
  654|  2.22k|    constexpr auto B  = bits<Pos>;
  655|  2.22k|    constexpr auto BL = bits_leaf<Pos>;
  656|  2.22k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 2.22k, False: 0]
  ------------------
  657|  2.22k|    auto is_leaf = p.shift() == BL;
  658|  2.22k|    auto child   = p.node()->inner()[offset_hint];
  659|  2.22k|    auto lsize   = offset_hint << p.shift();
  660|  2.22k|    auto size    = p.this_size();
  661|  2.22k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  2.22k|    return is_full
  ------------------
  |  Branch (662:12): [True: 1.16k, False: 1.05k]
  ------------------
  663|  2.22k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 1.16k]
  ------------------
  664|  1.16k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  1.16k|                      : make_full_pos(child, p.shift() - B)
  666|  1.16k|                            .visit(v, idx - lsize, args...))
  667|  2.22k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 1.05k]
  ------------------
  668|  1.05k|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|  1.05k|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|  1.05k|                            .visit(v, idx - lsize, args...));
  672|  2.22k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  1.16k|    {
 1406|  1.16k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.16k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.05k|    {
 1037|  1.05k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.05k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitor3rrbEJNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERKPSC_RKjRmEEEDcPT_jmT0_DpOT1_:
 1838|  22.2k|{
 1839|  22.2k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 22.2k, False: 0]
  ------------------
 1840|  22.2k|    auto relaxed = node->relaxed();
 1841|  22.2k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 11.4k, False: 10.8k]
  ------------------
 1842|  11.4k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 11.4k, False: 0]
  ------------------
 1843|  11.4k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  11.4k|            .visit(v, std::forward<Args>(args)...);
 1845|  11.4k|    } else {
 1846|  10.8k|        return make_regular_sub_pos(node, shift, size)
 1847|  10.8k|            .visit(v, std::forward<Args>(args)...);
 1848|  10.8k|    }
 1849|  22.2k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor3rrbEJNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERKPSC_RKjRmEEEDcT_DpOT0_:
 1813|  11.4k|    {
 1814|  11.4k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  11.4k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcPT_jmT0_DpOT1_:
 1838|  11.4k|{
 1839|  11.4k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 11.4k, False: 0]
  ------------------
 1840|  11.4k|    auto relaxed = node->relaxed();
 1841|  11.4k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 8.14k, False: 3.29k]
  ------------------
 1842|  8.14k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 8.14k, False: 0]
  ------------------
 1843|  8.14k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  8.14k|            .visit(v, std::forward<Args>(args)...);
 1845|  8.14k|    } else {
 1846|  3.29k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.29k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.29k|    }
 1849|  11.4k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1813|  8.14k|    {
 1814|  8.14k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  8.14k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1793|  42.9k|    {
 1794|  42.9k|        auto child      = node_->inner()[offset];
 1795|  42.9k|        auto child_size = size(offset);
 1796|  42.9k|        auto is_leaf    = shift_ == BL;
 1797|  42.9k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 18.4k, False: 24.5k]
  ------------------
 1798|  42.9k|                       : visit_maybe_relaxed_sub(
 1799|  24.5k|                             child, shift_ - B, child_size, v, args...);
 1800|  42.9k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  18.9k|    {
  145|  18.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  18.9k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1804|  18.9k|    {
 1805|  18.9k|        assert(shift_ == BL);
  ------------------
  |  Branch (1805:9): [True: 18.9k, False: 0]
  ------------------
 1806|  18.9k|        auto child      = node_->inner()[offset];
 1807|  18.9k|        auto child_size = size(offset);
 1808|  18.9k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1809|  18.9k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  19.7k|    {
  145|  19.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  19.7k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  24.5k|{
 1839|  24.5k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 24.5k, False: 0]
  ------------------
 1840|  24.5k|    auto relaxed = node->relaxed();
 1841|  24.5k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 21.6k, False: 2.89k]
  ------------------
 1842|  21.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 21.6k, False: 0]
  ------------------
 1843|  21.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  21.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  21.6k|    } else {
 1846|  2.89k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.89k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.89k|    }
 1849|  24.5k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  21.6k|    {
 1814|  21.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  21.6k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1793|  21.6k|    {
 1794|  21.6k|        auto child      = node_->inner()[offset];
 1795|  21.6k|        auto child_size = size(offset);
 1796|  21.6k|        auto is_leaf    = shift_ == BL;
 1797|  21.6k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 21.6k]
  ------------------
 1798|  21.6k|                       : visit_maybe_relaxed_sub(
 1799|  21.6k|                             child, shift_ - B, child_size, v, args...);
 1800|  21.6k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  21.6k|{
 1839|  21.6k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 21.6k, False: 0]
  ------------------
 1840|  21.6k|    auto relaxed = node->relaxed();
 1841|  21.6k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 21.2k, False: 339]
  ------------------
 1842|  21.2k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 21.2k, False: 0]
  ------------------
 1843|  21.2k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  21.2k|            .visit(v, std::forward<Args>(args)...);
 1845|  21.2k|    } else {
 1846|    339|        return make_regular_sub_pos(node, shift, size)
 1847|    339|            .visit(v, std::forward<Args>(args)...);
 1848|    339|    }
 1849|  21.6k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  21.2k|    {
 1814|  21.2k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  21.2k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|    810|    {
 1037|    810|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    810|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1793|  6.67k|    {
 1794|  6.67k|        auto child      = node_->inner()[offset];
 1795|  6.67k|        auto child_size = size(offset);
 1796|  6.67k|        auto is_leaf    = shift_ == BL;
 1797|  6.67k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 3.96k, False: 2.71k]
  ------------------
 1798|  6.67k|                       : visit_maybe_relaxed_sub(
 1799|  2.71k|                             child, shift_ - B, child_size, v, args...);
 1800|  6.67k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  3.96k|    {
  145|  3.96k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  3.96k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1025|  3.96k|    {
 1026|  3.96k|        assert(shift_ == BL);
  ------------------
  |  Branch (1026:9): [True: 3.96k, False: 0]
  ------------------
 1027|  3.96k|        auto child   = node_->inner()[idx];
 1028|  3.96k|        auto lsize   = size(idx);
 1029|  3.96k|        auto is_full = idx + 1 < count();
 1030|  3.96k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1030:16): [True: 3.16k, False: 800]
  ------------------
 1031|  3.96k|                       : make_leaf_sub_pos(child, lsize).visit(v, args...);
 1032|  3.96k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  207|  10.8k|    {
  208|  10.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  10.8k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  2.71k|{
 1839|  2.71k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 2.71k, False: 0]
  ------------------
 1840|  2.71k|    auto relaxed = node->relaxed();
 1841|  2.71k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.15k, False: 558]
  ------------------
 1842|  2.15k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.15k, False: 0]
  ------------------
 1843|  2.15k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.15k|            .visit(v, std::forward<Args>(args)...);
 1845|  2.15k|    } else {
 1846|    558|        return make_regular_sub_pos(node, shift, size)
 1847|    558|            .visit(v, std::forward<Args>(args)...);
 1848|    558|    }
 1849|  2.71k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  2.15k|    {
 1814|  2.15k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.15k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1007|  2.15k|    {
 1008|  2.15k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 2.15k, False: 0]
  ------------------
 1009|  2.15k|        auto is_leaf = shift_ == BL;
 1010|  2.15k|        auto child   = node_->inner()[idx];
 1011|  2.15k|        auto lsize   = size(idx);
 1012|  2.15k|        auto is_full = idx + 1 < count();
 1013|  2.15k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 1.68k, False: 471]
  ------------------
 1014|  2.15k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 0, False: 1.68k]
  ------------------
 1015|  1.68k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  1.68k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  2.15k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 0, False: 471]
  ------------------
 1018|    471|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|    471|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|    471|                                .visit(v, args...));
 1021|  2.15k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1405|  2.14k|    {
 1406|  2.14k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.14k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1793|  9.02k|    {
 1794|  9.02k|        auto child      = node_->inner()[offset];
 1795|  9.02k|        auto child_size = size(offset);
 1796|  9.02k|        auto is_leaf    = shift_ == BL;
 1797|  9.02k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 7.73k, False: 1.28k]
  ------------------
 1798|  9.02k|                       : visit_maybe_relaxed_sub(
 1799|  1.28k|                             child, shift_ - B, child_size, v, args...);
 1800|  9.02k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  7.73k|    {
  145|  7.73k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.73k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1396|  7.73k|    {
 1397|  7.73k|        assert(shift_ == BL);
  ------------------
  |  Branch (1397:9): [True: 7.73k, False: 0]
  ------------------
 1398|  7.73k|        assert(idx < count());
  ------------------
  |  Branch (1398:9): [True: 7.73k, False: 0]
  ------------------
 1399|  7.73k|        auto child = node_->inner()[idx];
 1400|  7.73k|        return make_full_leaf_pos(child).visit(v, args...);
 1401|  7.73k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  1.28k|{
 1839|  1.28k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.28k, False: 0]
  ------------------
 1840|  1.28k|    auto relaxed = node->relaxed();
 1841|  1.28k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 458, False: 829]
  ------------------
 1842|    458|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 458, False: 0]
  ------------------
 1843|    458|        return make_relaxed_pos(node, shift, relaxed)
 1844|    458|            .visit(v, std::forward<Args>(args)...);
 1845|    829|    } else {
 1846|    829|        return make_regular_sub_pos(node, shift, size)
 1847|    829|            .visit(v, std::forward<Args>(args)...);
 1848|    829|    }
 1849|  1.28k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|    458|    {
 1814|    458|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    458|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1386|    458|    {
 1387|    458|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 458, False: 0]
  ------------------
 1388|    458|        auto is_leaf = shift_ == BL;
 1389|    458|        auto child   = node_->inner()[idx];
 1390|    458|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 0, False: 458]
  ------------------
 1391|    458|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|    458|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|    829|    {
 1037|    829|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    829|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1386|    829|    {
 1387|    829|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 829, False: 0]
  ------------------
 1388|    829|        auto is_leaf = shift_ == BL;
 1389|    829|        auto child   = node_->inner()[idx];
 1390|    829|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 0, False: 829]
  ------------------
 1391|    829|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|    829|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1405|  1.38k|    {
 1406|  1.38k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.38k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_pred_zipINS1_14equals_visitorEJEEEbT_PSC_DpOT0_:
 1222|  8.84k|    {
 1223|  8.84k|        auto p  = node_->inner();
 1224|  8.84k|        auto p2 = other->inner();
 1225|  8.84k|        auto e  = p + branches<B>;
 1226|  8.84k|        if (shift_ == BL) {
  ------------------
  |  Branch (1226:13): [True: 5.75k, False: 3.08k]
  ------------------
 1227|  27.6k|            for (; p != e; ++p, ++p2) {
  ------------------
  |  Branch (1227:20): [True: 25.1k, False: 2.46k]
  ------------------
 1228|  25.1k|                IMMER_PREFETCH(p + 1);
 1229|  25.1k|                if (!make_full_leaf_pos(*p).visit(v, *p2, args...))
  ------------------
  |  Branch (1229:21): [True: 3.28k, False: 21.8k]
  ------------------
 1230|  3.28k|                    return false;
 1231|  25.1k|            }
 1232|  5.75k|        } else {
 1233|  3.08k|            auto ss = shift_ - B;
 1234|  12.8k|            for (; p != e; ++p, ++p2)
  ------------------
  |  Branch (1234:20): [True: 11.6k, False: 1.16k]
  ------------------
 1235|  11.6k|                if (!make_full_pos(*p, ss).visit(v, *p2, args...))
  ------------------
  |  Branch (1235:21): [True: 1.92k, False: 9.74k]
  ------------------
 1236|  1.92k|                    return false;
 1237|  3.08k|        }
 1238|  3.62k|        return true;
 1239|  8.84k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  207|  33.8k|    {
  208|  33.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  33.8k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
 1405|  25.3k|    {
 1406|  25.3k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  25.3k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_pred_zipINS1_14equals_visitorEJEEEbT_PSC_DpOT0_:
  837|  8.24k|    {
  838|  8.24k|        return each_pred_zip_regular(*this, v, other, args...);
  839|  8.24k|    }
_ZN5immer6detail4rbts21each_pred_zip_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_14equals_visitorEJEEEbOT_T0_PNSt3__15decayISH_E4type6node_tEDpOT1_:
  392|  8.24k|{
  393|  8.24k|    constexpr auto B  = bits<Pos>;
  394|  8.24k|    constexpr auto BL = bits_leaf<Pos>;
  395|       |
  396|  8.24k|    auto n    = p.node()->inner();
  397|  8.24k|    auto n2   = other->inner();
  398|  8.24k|    auto last = p.count() - 1;
  399|  8.24k|    auto e    = n + last;
  400|  8.24k|    if (p.shift() == BL) {
  ------------------
  |  Branch (400:9): [True: 1.88k, False: 6.35k]
  ------------------
  401|  4.72k|        for (; n != e; ++n, ++n2) {
  ------------------
  |  Branch (401:16): [True: 3.82k, False: 905]
  ------------------
  402|  3.82k|            IMMER_PREFETCH(n + 1);
  403|  3.82k|            IMMER_PREFETCH(n2 + 1);
  404|  3.82k|            if (!make_full_leaf_pos(*n).visit(v, *n2, args...))
  ------------------
  |  Branch (404:17): [True: 984, False: 2.83k]
  ------------------
  405|    984|                return false;
  406|  3.82k|        }
  407|    905|        return make_leaf_pos(*n, p.size()).visit(v, *n2, args...);
  408|  6.35k|    } else {
  409|  6.35k|        auto ss = p.shift() - B;
  410|  13.7k|        for (; n != e; ++n, ++n2)
  ------------------
  |  Branch (410:16): [True: 10.0k, False: 3.71k]
  ------------------
  411|  10.0k|            if (!make_full_pos(*n, ss).visit(v, *n2, args...))
  ------------------
  |  Branch (411:17): [True: 2.63k, False: 7.42k]
  ------------------
  412|  2.63k|                return false;
  413|  3.71k|        return make_regular_pos(*n, ss, p.size()).visit(v, *n2, args...);
  414|  6.35k|    }
  415|  8.24k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  112|  3.27k|    {
  113|  3.27k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  3.27k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  336|  4.97k|    {
  337|  4.97k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  4.97k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE13each_pred_zipINS1_14equals_visitorEJEEEbT_PSC_DpOT0_:
  255|  4.13k|    {
  256|  4.13k|        return each_pred_zip_regular(*this, v, other, args...);
  257|  4.13k|    }
_ZN5immer6detail4rbts21each_pred_zip_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_14equals_visitorEJEEEbOT_T0_PNSt3__15decayISH_E4type6node_tEDpOT1_:
  392|  4.13k|{
  393|  4.13k|    constexpr auto B  = bits<Pos>;
  394|  4.13k|    constexpr auto BL = bits_leaf<Pos>;
  395|       |
  396|  4.13k|    auto n    = p.node()->inner();
  397|  4.13k|    auto n2   = other->inner();
  398|  4.13k|    auto last = p.count() - 1;
  399|  4.13k|    auto e    = n + last;
  400|  4.13k|    if (p.shift() == BL) {
  ------------------
  |  Branch (400:9): [True: 2.60k, False: 1.52k]
  ------------------
  401|  7.24k|        for (; n != e; ++n, ++n2) {
  ------------------
  |  Branch (401:16): [True: 4.87k, False: 2.37k]
  ------------------
  402|  4.87k|            IMMER_PREFETCH(n + 1);
  403|  4.87k|            IMMER_PREFETCH(n2 + 1);
  404|  4.87k|            if (!make_full_leaf_pos(*n).visit(v, *n2, args...))
  ------------------
  |  Branch (404:17): [True: 237, False: 4.63k]
  ------------------
  405|    237|                return false;
  406|  4.87k|        }
  407|  2.37k|        return make_leaf_pos(*n, p.size()).visit(v, *n2, args...);
  408|  2.60k|    } else {
  409|  1.52k|        auto ss = p.shift() - B;
  410|  4.85k|        for (; n != e; ++n, ++n2)
  ------------------
  |  Branch (410:16): [True: 3.59k, False: 1.26k]
  ------------------
  411|  3.59k|            if (!make_full_pos(*n, ss).visit(v, *n2, args...))
  ------------------
  |  Branch (411:17): [True: 260, False: 3.33k]
  ------------------
  412|    260|                return false;
  413|  1.26k|        return make_regular_pos(*n, ss, p.size()).visit(v, *n2, args...);
  414|  1.52k|    }
  415|  4.13k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_24for_each_chunk_p_visitorEJZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcjSK_DpOT0_:
 1386|  5.52k|    {
 1387|  5.52k|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 5.52k, False: 0]
  ------------------
 1388|  5.52k|        auto is_leaf = shift_ == BL;
 1389|  5.52k|        auto child   = node_->inner()[idx];
 1390|  5.52k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 4.54k, False: 974]
  ------------------
 1391|  5.52k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|  5.52k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  207|   376k|    {
  208|   376k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   376k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_18region_for_visitorIiEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  6.13M|{
 1839|  6.13M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 6.13M, False: 0]
  ------------------
 1840|  6.13M|    auto relaxed = node->relaxed();
 1841|  6.13M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 5.73M, False: 403k]
  ------------------
 1842|  5.73M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 5.73M, False: 0]
  ------------------
 1843|  5.73M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  5.73M|            .visit(v, std::forward<Args>(args)...);
 1845|  5.73M|    } else {
 1846|   403k|        return make_regular_sub_pos(node, shift, size)
 1847|   403k|            .visit(v, std::forward<Args>(args)...);
 1848|   403k|    }
 1849|  6.13M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1813|  5.73M|    {
 1814|  5.73M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  5.73M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
 1679|  5.73M|    {
 1680|  5.73M|        return towards_oh(v, idx, subindex(idx), args...);
 1681|  5.73M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_18region_for_visitorIiEEJEEEDcT_mjDpOT0_:
 1686|  5.73M|    {
 1687|  5.73M|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 5.73M, False: 0]
  ------------------
 1688|  5.73M|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 4.06M, False: 1.66M]
  ------------------
 1689|  5.73M|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  5.73M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_18region_for_visitorIiEEJEEEDcT_mjmDpOT0_:
 1698|  5.73M|    {
 1699|  5.73M|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  5.73M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_18region_for_visitorIiEEJEEEDcT_mjmDpOT0_:
 1717|  5.73M|    {
 1718|  5.73M|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 5.73M, False: 0]
  ------------------
 1719|  5.73M|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 4.06M, False: 1.66M]
  |  Branch (1719:9): [True: 5.73M, False: 0]
  ------------------
 1720|  5.73M|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  5.73M|        auto child     = node_->inner()[offset_hint];
 1722|  5.73M|        auto is_leaf   = shift_ == BL;
 1723|  5.73M|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  5.73M|        auto next_idx  = idx - left_size_hint;
 1725|  5.73M|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 1.19M, False: 4.53M]
  ------------------
 1726|  5.73M|                   ? make_leaf_sub_pos(child, next_size)
 1727|  1.19M|                         .visit(v, next_idx, args...)
 1728|  5.73M|                   : visit_maybe_relaxed_sub(
 1729|  4.53M|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  5.73M|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  144|  1.19M|    {
  145|  1.19M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.19M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1036|   403k|    {
 1037|   403k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   403k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
  919|   403k|    {
  920|   403k|        return towards_oh_ch_regular(
  921|   403k|            *this, v, idx, index(idx), count(), args...);
  922|   403k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_18region_for_visitorIiEEJEEEDcOT_T0_mjjDpOT1_:
  632|   403k|{
  633|   403k|    constexpr auto B  = bits<Pos>;
  634|   403k|    constexpr auto BL = bits_leaf<Pos>;
  635|   403k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 403k, False: 0]
  ------------------
  636|   403k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 403k, False: 0]
  ------------------
  637|   403k|    auto is_leaf = p.shift() == BL;
  638|   403k|    auto child   = p.node()->inner()[offset_hint];
  639|   403k|    auto is_full = offset_hint + 1 != count_hint;
  640|   403k|    return is_full
  ------------------
  |  Branch (640:12): [True: 337k, False: 66.0k]
  ------------------
  641|   403k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 70.1k, False: 267k]
  ------------------
  642|   337k|                          : make_full_pos(child, p.shift() - B)
  643|   267k|                                .visit(v, idx, args...))
  644|   403k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 13.9k, False: 52.0k]
  ------------------
  645|  66.0k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  66.0k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  52.0k|                            .visit(v, idx, args...));
  648|   403k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  207|   384k|    {
  208|   384k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   384k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1405|   622k|    {
 1406|   622k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   622k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
 1322|   622k|    {
 1323|   622k|        return towards_oh(v, idx, index(idx), args...);
 1324|   622k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE10towards_ohINS1_18region_for_visitorIiEEJEEEDcT_mjDpOT0_:
 1336|   622k|    {
 1337|   622k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 622k, False: 0]
  ------------------
 1338|   622k|        auto is_leaf = shift_ == BL;
 1339|   622k|        auto child   = node_->inner()[offset_hint];
 1340|   622k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 302k, False: 320k]
  ------------------
 1341|   622k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|   622k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|   622k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  112|  18.9k|    {
  113|  18.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  18.9k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  336|  59.1k|    {
  337|  59.1k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  59.1k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
  297|  59.1k|    {
  298|  59.1k|        return towards_oh_ch_regular(
  299|  59.1k|            *this, v, idx, index(idx), count(), args...);
  300|  59.1k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_18region_for_visitorIiEEJEEEDcOT_T0_mjjDpOT1_:
  632|  59.1k|{
  633|  59.1k|    constexpr auto B  = bits<Pos>;
  634|  59.1k|    constexpr auto BL = bits_leaf<Pos>;
  635|  59.1k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 59.1k, False: 0]
  ------------------
  636|  59.1k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 59.1k, False: 0]
  ------------------
  637|  59.1k|    auto is_leaf = p.shift() == BL;
  638|  59.1k|    auto child   = p.node()->inner()[offset_hint];
  639|  59.1k|    auto is_full = offset_hint + 1 != count_hint;
  640|  59.1k|    return is_full
  ------------------
  |  Branch (640:12): [True: 47.0k, False: 12.0k]
  ------------------
  641|  59.1k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 12.0k, False: 34.9k]
  ------------------
  642|  47.0k|                          : make_full_pos(child, p.shift() - B)
  643|  34.9k|                                .visit(v, idx, args...))
  644|  59.1k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 5.01k, False: 7.05k]
  ------------------
  645|  12.0k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  12.0k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  7.05k|                            .visit(v, idx, args...));
  648|  59.1k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
 1405|  41.6k|    {
 1406|  41.6k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  41.6k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
 1202|  41.6k|    {
 1203|  41.6k|        auto p = node_->inner();
 1204|  41.6k|        auto e = p + branches<B>;
 1205|  41.6k|        if (shift_ == BL) {
  ------------------
  |  Branch (1205:13): [True: 38.0k, False: 3.51k]
  ------------------
 1206|   337k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1206:20): [True: 300k, False: 37.1k]
  ------------------
 1207|   300k|                IMMER_PREFETCH(p + 1);
 1208|   300k|                if (!make_full_leaf_pos(*p).visit(v, args...))
  ------------------
  |  Branch (1208:21): [True: 921, False: 299k]
  ------------------
 1209|    921|                    return false;
 1210|   300k|            }
 1211|  38.0k|        } else {
 1212|  3.51k|            auto ss = shift_ - B;
 1213|  29.0k|            for (; p != e; ++p)
  ------------------
  |  Branch (1213:20): [True: 25.9k, False: 3.10k]
  ------------------
 1214|  25.9k|                if (!make_full_pos(*p, ss).visit(v, args...))
  ------------------
  |  Branch (1214:21): [True: 411, False: 25.5k]
  ------------------
 1215|    411|                    return false;
 1216|  3.51k|        }
 1217|  40.2k|        return true;
 1218|  41.6k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|    558|    {
 1037|    558|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    558|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1007|    558|    {
 1008|    558|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 558, False: 0]
  ------------------
 1009|    558|        auto is_leaf = shift_ == BL;
 1010|    558|        auto child   = node_->inner()[idx];
 1011|    558|        auto lsize   = size(idx);
 1012|    558|        auto is_full = idx + 1 < count();
 1013|    558|        return is_full
  ------------------
  |  Branch (1013:16): [True: 558, False: 0]
  ------------------
 1014|    558|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 0, False: 558]
  ------------------
 1015|    558|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|    558|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|    558|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 0, False: 0]
  ------------------
 1018|      0|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|      0|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|      0|                                .visit(v, args...));
 1021|    558|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|  2.63k|    {
 1037|  2.63k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.63k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_24for_each_chunk_p_visitorEJZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcjSK_DpOT0_:
 1007|  3.34k|    {
 1008|  3.34k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 3.34k, False: 0]
  ------------------
 1009|  3.34k|        auto is_leaf = shift_ == BL;
 1010|  3.34k|        auto child   = node_->inner()[idx];
 1011|  3.34k|        auto lsize   = size(idx);
 1012|  3.34k|        auto is_full = idx + 1 < count();
 1013|  3.34k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 1.61k, False: 1.73k]
  ------------------
 1014|  3.34k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 1.12k, False: 485]
  ------------------
 1015|  1.61k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  1.61k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  3.34k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 936, False: 800]
  ------------------
 1018|  1.73k|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|  1.73k|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|    800|                                .visit(v, args...));
 1021|  3.34k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  144|  1.15M|    {
  145|  1.15M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.15M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
 1036|  14.0k|    {
 1037|  14.0k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  14.0k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
  831|  14.0k|    {
  832|  14.0k|        return each_pred_regular(*this, v, args...);
  833|  14.0k|    }
_ZN5immer6detail4rbts17each_pred_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSC_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEEbSM_SN_DpOT1_:
  365|  14.0k|{
  366|  14.0k|    constexpr auto B  = bits<Pos>;
  367|  14.0k|    constexpr auto BL = bits_leaf<Pos>;
  368|  14.0k|    auto n            = p.node()->inner();
  369|  14.0k|    auto last         = p.count() - 1;
  370|  14.0k|    auto e            = n + last;
  371|  14.0k|    if (p.shift() == BL) {
  ------------------
  |  Branch (371:9): [True: 9.59k, False: 4.45k]
  ------------------
  372|  67.7k|        for (; n != e; ++n) {
  ------------------
  |  Branch (372:16): [True: 58.3k, False: 9.34k]
  ------------------
  373|  58.3k|            IMMER_PREFETCH(n + 1);
  374|  58.3k|            if (!make_full_leaf_pos(*n).visit(v, args...))
  ------------------
  |  Branch (374:17): [True: 259, False: 58.1k]
  ------------------
  375|    259|                return false;
  376|  58.3k|        }
  377|  9.34k|        return make_leaf_pos(*n, p.size()).visit(v, args...);
  378|  9.59k|    } else {
  379|  4.45k|        auto ss = p.shift() - B;
  380|  15.6k|        for (; n != e; ++n)
  ------------------
  |  Branch (380:16): [True: 11.8k, False: 3.82k]
  ------------------
  381|  11.8k|            if (!make_full_pos(*n, ss).visit(v, args...))
  ------------------
  |  Branch (381:17): [True: 634, False: 11.1k]
  ------------------
  382|    634|                return false;
  383|  3.82k|        return make_regular_pos(*n, ss, p.size()).visit(v, args...);
  384|  4.45k|    }
  385|  14.0k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  112|  12.7k|    {
  113|  12.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  12.7k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  336|  5.16k|    {
  337|  5.16k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  5.16k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
  249|  5.16k|    {
  250|  5.16k|        return each_pred_regular(*this, v, args...);
  251|  5.16k|    }
_ZN5immer6detail4rbts17each_pred_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSC_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEEbSM_SN_DpOT1_:
  365|  5.16k|{
  366|  5.16k|    constexpr auto B  = bits<Pos>;
  367|  5.16k|    constexpr auto BL = bits_leaf<Pos>;
  368|  5.16k|    auto n            = p.node()->inner();
  369|  5.16k|    auto last         = p.count() - 1;
  370|  5.16k|    auto e            = n + last;
  371|  5.16k|    if (p.shift() == BL) {
  ------------------
  |  Branch (371:9): [True: 3.57k, False: 1.59k]
  ------------------
  372|  15.1k|        for (; n != e; ++n) {
  ------------------
  |  Branch (372:16): [True: 11.8k, False: 3.36k]
  ------------------
  373|  11.8k|            IMMER_PREFETCH(n + 1);
  374|  11.8k|            if (!make_full_leaf_pos(*n).visit(v, args...))
  ------------------
  |  Branch (374:17): [True: 207, False: 11.6k]
  ------------------
  375|    207|                return false;
  376|  11.8k|        }
  377|  3.36k|        return make_leaf_pos(*n, p.size()).visit(v, args...);
  378|  3.57k|    } else {
  379|  1.59k|        auto ss = p.shift() - B;
  380|  3.76k|        for (; n != e; ++n)
  ------------------
  |  Branch (380:16): [True: 2.42k, False: 1.34k]
  ------------------
  381|  2.42k|            if (!make_full_pos(*n, ss).visit(v, args...))
  ------------------
  |  Branch (381:17): [True: 251, False: 2.17k]
  ------------------
  382|    251|                return false;
  383|  1.34k|        return make_regular_pos(*n, ss, p.size()).visit(v, args...);
  384|  1.59k|    }
  385|  5.16k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|  2.89k|    {
 1037|  2.89k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.89k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1793|  2.89k|    {
 1794|  2.89k|        auto child      = node_->inner()[offset];
 1795|  2.89k|        auto child_size = size(offset);
 1796|  2.89k|        auto is_leaf    = shift_ == BL;
 1797|  2.89k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 2.89k]
  ------------------
 1798|  2.89k|                       : visit_maybe_relaxed_sub(
 1799|  2.89k|                             child, shift_ - B, child_size, v, args...);
 1800|  2.89k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  2.89k|{
 1839|  2.89k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 2.89k, False: 0]
  ------------------
 1840|  2.89k|    auto relaxed = node->relaxed();
 1841|  2.89k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 257, False: 2.63k]
  ------------------
 1842|    257|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 257, False: 0]
  ------------------
 1843|    257|        return make_relaxed_pos(node, shift, relaxed)
 1844|    257|            .visit(v, std::forward<Args>(args)...);
 1845|  2.63k|    } else {
 1846|  2.63k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.63k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.63k|    }
 1849|  2.89k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|    257|    {
 1814|    257|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    257|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1007|  4.43k|    {
 1008|  4.43k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 4.43k, False: 0]
  ------------------
 1009|  4.43k|        auto is_leaf = shift_ == BL;
 1010|  4.43k|        auto child   = node_->inner()[idx];
 1011|  4.43k|        auto lsize   = size(idx);
 1012|  4.43k|        auto is_full = idx + 1 < count();
 1013|  4.43k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 3.92k, False: 514]
  ------------------
 1014|  4.43k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 2.30k, False: 1.62k]
  ------------------
 1015|  3.92k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  3.92k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  4.43k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 514, False: 0]
  ------------------
 1018|    514|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|    514|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|      0|                                .visit(v, args...));
 1021|  4.43k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  207|  5.92k|    {
  208|  5.92k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  5.92k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_13full_leaf_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1804|  5.92k|    {
 1805|  5.92k|        assert(shift_ == BL);
  ------------------
  |  Branch (1805:9): [True: 5.92k, False: 0]
  ------------------
 1806|  5.92k|        auto child      = node_->inner()[offset];
 1807|  5.92k|        auto child_size = size(offset);
 1808|  5.92k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1809|  5.92k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_13full_leaf_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  5.92k|    {
  145|  5.92k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  5.92k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1405|  2.03k|    {
 1406|  2.03k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.03k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1793|  2.03k|    {
 1794|  2.03k|        auto child      = node_->inner()[offset];
 1795|  2.03k|        auto child_size = size(offset);
 1796|  2.03k|        auto is_leaf    = shift_ == BL;
 1797|  2.03k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 2.03k]
  ------------------
 1798|  2.03k|                       : visit_maybe_relaxed_sub(
 1799|  2.03k|                             child, shift_ - B, child_size, v, args...);
 1800|  2.03k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  2.03k|{
 1839|  2.03k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 2.03k, False: 0]
  ------------------
 1840|  2.03k|    auto relaxed = node->relaxed();
 1841|  2.03k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.16k, False: 866]
  ------------------
 1842|  1.16k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.16k, False: 0]
  ------------------
 1843|  1.16k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.16k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.16k|    } else {
 1846|    866|        return make_regular_sub_pos(node, shift, size)
 1847|    866|            .visit(v, std::forward<Args>(args)...);
 1848|    866|    }
 1849|  2.03k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  1.16k|    {
 1814|  1.16k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.16k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1386|  4.03k|    {
 1387|  4.03k|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 4.03k, False: 0]
  ------------------
 1388|  4.03k|        auto is_leaf = shift_ == BL;
 1389|  4.03k|        auto child   = node_->inner()[idx];
 1390|  4.03k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 3.62k, False: 411]
  ------------------
 1391|  4.03k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|  4.03k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|    866|    {
 1037|    866|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    866|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE7nth_subINS1_24for_each_chunk_p_visitorEJZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcjSK_DpOT0_:
 1793|  51.7k|    {
 1794|  51.7k|        auto child      = node_->inner()[offset];
 1795|  51.7k|        auto child_size = size(offset);
 1796|  51.7k|        auto is_leaf    = shift_ == BL;
 1797|  51.7k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 21.9k, False: 29.7k]
  ------------------
 1798|  51.7k|                       : visit_maybe_relaxed_sub(
 1799|  29.7k|                             child, shift_ - B, child_size, v, args...);
 1800|  51.7k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSI_T0_E_EEEDcPSI_jmSK_DpOT1_:
 1838|   186k|{
 1839|   186k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 186k, False: 0]
  ------------------
 1840|   186k|    auto relaxed = node->relaxed();
 1841|   186k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 172k, False: 13.2k]
  ------------------
 1842|   172k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 172k, False: 0]
  ------------------
 1843|   172k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   172k|            .visit(v, std::forward<Args>(args)...);
 1845|   172k|    } else {
 1846|  13.2k|        return make_regular_sub_pos(node, shift, size)
 1847|  13.2k|            .visit(v, std::forward<Args>(args)...);
 1848|  13.2k|    }
 1849|   186k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
 1813|   172k|    {
 1814|   172k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   172k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
 1482|   172k|    {
 1483|   172k|        auto p = node_->inner();
 1484|   172k|        auto s = size_t{};
 1485|   172k|        auto n = count();
 1486|   172k|        if (shift_ == BL) {
  ------------------
  |  Branch (1486:13): [True: 151k, False: 21.8k]
  ------------------
 1487|  1.27M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1487:39): [True: 1.12M, False: 150k]
  ------------------
 1488|  1.12M|                IMMER_PREFETCH(p + i + 1);
 1489|  1.12M|                if (!make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
  ------------------
  |  Branch (1489:21): [True: 291, False: 1.12M]
  ------------------
 1490|  1.12M|                         .visit(v, args...))
 1491|    291|                    return false;
 1492|  1.12M|                s = relaxed_->d.sizes[i];
 1493|  1.12M|            }
 1494|   151k|        } else {
 1495|  21.8k|            auto ss = shift_ - B;
 1496|   177k|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1496:39): [True: 156k, False: 21.5k]
  ------------------
 1497|   156k|                if (!visit_maybe_relaxed_sub(
  ------------------
  |  Branch (1497:21): [True: 383, False: 156k]
  ------------------
 1498|   156k|                        p[i], ss, relaxed_->d.sizes[i] - s, v, args...))
 1499|    383|                    return false;
 1500|   156k|                s = relaxed_->d.sizes[i];
 1501|   156k|            }
 1502|  21.8k|        }
 1503|   172k|        return true;
 1504|   172k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1036|  3.29k|    {
 1037|  3.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.29k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE15first_sub_innerINS1_14equals_visitor3rrbEJRNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERPSC_RjRmEEEDcT_DpOT0_:
 1783|  1.06k|    {
 1784|  1.06k|        assert(shift_ > BL);
  ------------------
  |  Branch (1784:9): [True: 1.06k, False: 0]
  ------------------
 1785|  1.06k|        auto child      = node_->inner()[0];
 1786|  1.06k|        auto child_size = relaxed_->d.sizes[0];
 1787|  1.06k|        return visit_maybe_relaxed_sub(
 1788|  1.06k|            child, shift_ - B, child_size, v, args...);
 1789|  1.06k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitor3rrbEJRNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERPSC_RjRmEEEDcPT_jmT0_DpOT1_:
 1838|  1.06k|{
 1839|  1.06k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.06k, False: 0]
  ------------------
 1840|  1.06k|    auto relaxed = node->relaxed();
 1841|  1.06k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.06k, False: 0]
  ------------------
 1842|  1.06k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.06k, False: 0]
  ------------------
 1843|  1.06k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.06k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.06k|    } else {
 1846|      0|        return make_regular_sub_pos(node, shift, size)
 1847|      0|            .visit(v, std::forward<Args>(args)...);
 1848|      0|    }
 1849|  1.06k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor3rrbEJRNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERPSC_RjRmEEEDcT_DpOT0_:
 1813|  1.06k|    {
 1814|  1.06k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.06k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcPT_jmT0_DpOT1_:
 1838|  10.8k|{
 1839|  10.8k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 10.8k, False: 0]
  ------------------
 1840|  10.8k|    auto relaxed = node->relaxed();
 1841|  10.8k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.08k, False: 8.75k]
  ------------------
 1842|  2.08k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.08k, False: 0]
  ------------------
 1843|  2.08k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.08k|            .visit(v, std::forward<Args>(args)...);
 1845|  8.75k|    } else {
 1846|  8.75k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.75k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.75k|    }
 1849|  10.8k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1813|  2.08k|    {
 1814|  2.08k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.08k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1036|  8.75k|    {
 1037|  8.75k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.75k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor3rrbEJNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERKPSC_RKjRmEEEDcT_DpOT0_:
 1036|  10.8k|    {
 1037|  10.8k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  10.8k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRKPSC_EEEDcT_DpOT0_:
  144|  7.90k|    {
  145|  7.90k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.90k|    }

_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2Ev:
  114|  2.75M|        : size{0}
  115|  2.75M|        , shift{BL}
  116|  2.75M|        , root{empty_root()}
  117|  2.75M|        , tail{empty_tail()}
  118|  2.75M|    {
  119|       |        assert(check_tree());
  ------------------
  |  Branch (119:9): [True: 2.75M, False: 0]
  ------------------
  120|  2.75M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10empty_rootEv:
   61|  2.77M|    {
   62|  2.77M|        static const auto empty_ = [] {
   63|  2.77M|            constexpr auto size = node_t::sizeof_inner_n(0);
   64|  2.77M|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   65|  2.77M|                storage;
   66|  2.77M|            return node_t::make_inner_n_into(&storage, size, 0u);
   67|  2.77M|        }();
   68|  2.77M|        return empty_->inc();
   69|  2.77M|    }
_ZZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10empty_rootEvENKUlvE_clEv:
   62|      1|        static const auto empty_ = [] {
   63|      1|            constexpr auto size = node_t::sizeof_inner_n(0);
   64|      1|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   65|      1|                storage;
   66|      1|            return node_t::make_inner_n_into(&storage, size, 0u);
   67|      1|        }();
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10empty_tailEv:
   72|  2.75M|    {
   73|  2.75M|        static const auto empty_ = [] {
   74|  2.75M|            constexpr auto size = node_t::sizeof_leaf_n(0);
   75|  2.75M|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   76|  2.75M|                storage;
   77|  2.75M|            return node_t::make_leaf_n_into(&storage, size, 0u);
   78|  2.75M|        }();
   79|  2.75M|        return empty_->inc();
   80|  2.75M|    }
_ZZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10empty_tailEvENKUlvE_clEv:
   73|      1|        static const auto empty_ = [] {
   74|      1|            constexpr auto size = node_t::sizeof_leaf_n(0);
   75|      1|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   76|      1|                storage;
   77|      1|            return node_t::make_leaf_n_into(&storage, size, 0u);
   78|      1|        }();
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10check_treeEv:
 1372|  5.78M|    {
 1373|  5.78M|        IMMER_INVALID_STATE_ASSERT(shift <= sizeof(size_t) * 8 - BL);
  ------------------
  |  |   32|  5.78M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 1.64k, False: 5.78M]
  |  |  ------------------
  |  |   33|  5.78M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|  1.64k|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1374|  5.78M|        IMMER_INVALID_STATE_ASSERT(shift >= BL);
  ------------------
  |  |   32|  5.78M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 5.78M]
  |  |  ------------------
  |  |   33|  5.78M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1375|  5.78M|        IMMER_INVALID_STATE_ASSERT(tail_offset() <= size);
  ------------------
  |  |   32|  5.78M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 5.78M]
  |  |  ------------------
  |  |   33|  5.78M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1376|  5.78M|        IMMER_INVALID_STATE_ASSERT(tail_size() <= branches<BL>);
  ------------------
  |  |   32|  5.78M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 5.78M]
  |  |  ------------------
  |  |   33|  5.78M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1377|       |#if IMMER_DEBUG_DEEP_CHECK
 1378|       |        IMMER_INVALID_STATE_ASSERT(check_root());
 1379|       |        IMMER_INVALID_STATE_ASSERT(check_tail());
 1380|       |#endif
 1381|  5.78M|        return true;
 1382|  5.78M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11tail_offsetEv:
  197|  29.4M|    {
  198|  29.4M|        auto r = root->relaxed();
  199|  29.4M|        assert(r == nullptr || r->d.count);
  ------------------
  |  Branch (199:9): [True: 14.3M, False: 15.0M]
  |  Branch (199:9): [True: 15.0M, False: 0]
  |  Branch (199:9): [True: 29.4M, False: 0]
  ------------------
  200|  29.4M|        return r      ? r->d.sizes[r->d.count - 1]
  ------------------
  |  Branch (200:16): [True: 15.0M, False: 14.3M]
  ------------------
  201|  29.4M|               : size ? (size - 1) & ~mask<BL>
  ------------------
  |  Branch (201:18): [True: 6.03M, False: 8.30M]
  ------------------
  202|       |                      /* otherwise */
  203|  14.3M|                      : 0;
  204|  29.4M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9tail_sizeEv:
  194|  6.08M|    auto tail_size() const { return size - tail_offset(); }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EED2Ev:
  184|  5.78M|    ~rrbtree() { dec(); }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE3decEv:
  192|  5.78M|    void dec() const { traverse(dec_visitor()); }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE8traverseINS1_11dec_visitorEJEEEvT_DpOT0_:
  208|  5.78M|    {
  209|  5.78M|        auto tail_off  = tail_offset();
  210|  5.78M|        auto tail_size = size - tail_off;
  211|       |
  212|  5.78M|        if (tail_off)
  ------------------
  |  Branch (212:13): [True: 2.86M, False: 2.92M]
  ------------------
  213|  2.86M|            visit_maybe_relaxed_sub(root, shift, tail_off, v, args...);
  214|  2.92M|        else
  215|  2.92M|            make_empty_regular_pos(root).visit(v, args...);
  216|       |
  217|  5.78M|        if (tail_size)
  ------------------
  |  Branch (217:13): [True: 3.02M, False: 2.76M]
  ------------------
  218|  3.02M|            make_leaf_sub_pos(tail, tail_size).visit(v, args...);
  219|  2.76M|        else
  220|  2.76M|            make_empty_leaf_pos(tail).visit(v, args...);
  221|  5.78M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9push_backEi:
  500|   270k|    {
  501|   270k|        auto ts = tail_size();
  502|   270k|        if (ts < branches<BL>) {
  ------------------
  |  Branch (502:13): [True: 227k, False: 42.7k]
  ------------------
  503|   227k|            auto new_tail =
  504|   227k|                node_t::copy_leaf_emplace(tail, ts, std::move(value));
  505|   227k|            return {size + 1, shift, root->inc(), new_tail};
  506|   227k|        } else {
  507|  42.7k|            using std::get;
  508|  42.7k|            auto new_tail = node_t::make_leaf_n(1u, std::move(value));
  509|  42.7k|            auto tail_off = tail_offset();
  510|  42.7k|            IMMER_TRY {
  ------------------
  |  |   49|  42.7k|#define IMMER_TRY try
  ------------------
  511|  42.7k|                auto new_root =
  512|  42.7k|                    push_tail(root, shift, tail_off, tail, size - tail_off);
  513|  42.7k|                tail->inc();
  514|  42.7k|                return {size + 1, get<0>(new_root), get<1>(new_root), new_tail};
  515|  42.7k|            }
  516|  42.7k|            IMMER_CATCH (...) {
  517|      0|                node_t::delete_leaf(new_tail, 1u);
  518|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  519|      0|            }
  520|  42.7k|        }
  521|   270k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2EmjPNS1_4nodeIiSA_Lj3ELj3EEESE_:
  127|  3.02M|        : size{sz}
  128|  3.02M|        , shift{sh}
  129|  3.02M|        , root{r}
  130|  3.02M|        , tail{t}
  131|  3.02M|    {
  132|  3.02M|#if IMMER_THROW_ON_INVALID_STATE
  133|       |        // assert only happens in the Debug build, but when
  134|       |        // IMMER_THROW_ON_INVALID_STATE is activated, we want to just check_tree
  135|       |        // even in Release.
  136|  3.02M|        try {
  137|  3.02M|            check_tree();
  138|  3.02M|        } catch (...) {
  139|       |            // This not fully constructed rrbtree owns the nodes already, have
  140|       |            // to dec them.
  141|  1.64k|            if (r && t)
  ------------------
  |  Branch (141:17): [True: 1.64k, False: 0]
  |  Branch (141:22): [True: 1.64k, False: 0]
  ------------------
  142|  1.64k|                dec();
  143|  1.64k|            throw;
  144|  1.64k|        }
  145|       |#else
  146|       |        assert(check_tree());
  147|       |#endif
  148|  3.02M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9push_tailEPNS1_4nodeIiSA_Lj3ELj3EEEjmSE_j:
  369|  1.10M|    {
  370|  1.10M|        if (auto r = root->relaxed()) {
  ------------------
  |  Branch (370:18): [True: 321k, False: 787k]
  ------------------
  371|   321k|            auto new_root =
  372|   321k|                make_relaxed_pos(root, shift, r)
  373|   321k|                    .visit(push_tail_visitor<node_t>{}, tail, tail_size);
  374|   321k|            if (new_root)
  ------------------
  |  Branch (374:17): [True: 318k, False: 2.64k]
  ------------------
  375|   318k|                return std::make_tuple(shift, new_root);
  376|  2.64k|            else {
  377|  2.64k|                auto new_root = node_t::make_inner_r_n(2);
  378|  2.64k|                IMMER_TRY {
  ------------------
  |  |   49|  2.64k|#define IMMER_TRY try
  ------------------
  379|  2.64k|                    auto new_path        = node_t::make_path(shift, tail);
  380|  2.64k|                    new_root->inner()[0] = root->inc();
  381|  2.64k|                    new_root->inner()[1] = new_path;
  382|  2.64k|                    new_root->relaxed()->d.sizes[0] = size;
  383|  2.64k|                    new_root->relaxed()->d.sizes[1] = size + tail_size;
  384|  2.64k|                    assert(size);
  ------------------
  |  Branch (384:21): [True: 2.64k, False: 0]
  ------------------
  385|  2.64k|                    assert(tail_size);
  ------------------
  |  Branch (385:21): [True: 2.64k, False: 0]
  ------------------
  386|  2.64k|                    new_root->relaxed()->d.count = 2u;
  387|  2.64k|                }
  388|  2.64k|                IMMER_CATCH (...) {
  389|      0|                    node_t::delete_inner_r(new_root, 2);
  390|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  391|      0|                }
  392|  2.64k|                return std::make_tuple(shift + B, new_root);
  393|  2.64k|            }
  394|   787k|        } else if (size == size_t{branches<B>} << shift) {
  ------------------
  |  Branch (394:20): [True: 6.70k, False: 780k]
  ------------------
  395|  6.70k|            auto new_root = node_t::make_inner_n(2);
  396|  6.70k|            IMMER_TRY {
  ------------------
  |  |   49|  6.70k|#define IMMER_TRY try
  ------------------
  397|  6.70k|                auto new_path        = node_t::make_path(shift, tail);
  398|  6.70k|                new_root->inner()[0] = root->inc();
  399|  6.70k|                new_root->inner()[1] = new_path;
  400|  6.70k|            }
  401|  6.70k|            IMMER_CATCH (...) {
  402|      0|                node_t::delete_inner(new_root, 2);
  403|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  404|      0|            }
  405|  6.70k|            return std::make_tuple(shift + B, new_root);
  406|   780k|        } else if (size) {
  ------------------
  |  Branch (406:20): [True: 758k, False: 22.2k]
  ------------------
  407|   758k|            auto new_root = make_regular_sub_pos(root, shift, size)
  408|   758k|                                .visit(push_tail_visitor<node_t>{}, tail);
  409|   758k|            return std::make_tuple(shift, new_root);
  410|   758k|        } else {
  411|  22.2k|            return std::make_tuple(shift, node_t::make_path(shift, tail));
  412|  22.2k|        }
  413|  1.10M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2EOSB_:
  157|  2.67M|        : rrbtree{}
  158|  2.67M|    {
  159|  2.67M|        swap(*this, other);
  160|  2.67M|    }
_ZN5immer6detail4rbts4swapERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEESC_:
  176|  5.07M|    {
  177|  5.07M|        using std::swap;
  178|  5.07M|        swap(x.size, y.size);
  179|  5.07M|        swap(x.shift, y.shift);
  180|  5.07M|        swap(x.root, y.root);
  181|  5.07M|        swap(x.tail, y.tail);
  182|  5.07M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEaSEOSB_:
  170|  2.40M|    {
  171|  2.40M|        swap(*this, other);
  172|  2.40M|        return *this;
  173|  2.40M|    }
flex-vector-st.cpp:_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6updateIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSG_E_EESB_mOSG_:
  580|   143k|    {
  581|   143k|        auto tail_off = tail_offset();
  582|   143k|        if (idx >= tail_off) {
  ------------------
  |  Branch (582:13): [True: 98.6k, False: 45.3k]
  ------------------
  583|  98.6k|            auto tail_size = size - tail_off;
  584|  98.6k|            auto new_tail =
  585|  98.6k|                make_leaf_sub_pos(tail, tail_size)
  586|  98.6k|                    .visit(update_visitor<node_t>{}, idx - tail_off, fn);
  587|  98.6k|            return {size, shift, root->inc(), new_tail};
  588|  98.6k|        } else {
  589|  45.3k|            auto new_root = visit_maybe_relaxed_sub(
  590|  45.3k|                root, shift, tail_off, update_visitor<node_t>{}, idx, fn);
  591|  45.3k|            return {size, shift, new_root, tail->inc()};
  592|  45.3k|        }
  593|   143k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4takeEm:
  647|  21.1k|    {
  648|  21.1k|        auto tail_off = tail_offset();
  649|  21.1k|        if (new_size == 0) {
  ------------------
  |  Branch (649:13): [True: 3.80k, False: 17.3k]
  ------------------
  650|  3.80k|            return {};
  651|  17.3k|        } else if (new_size >= size) {
  ------------------
  |  Branch (651:20): [True: 665, False: 16.6k]
  ------------------
  652|    665|            return *this;
  653|  16.6k|        } else if (new_size > tail_off) {
  ------------------
  |  Branch (653:20): [True: 1.96k, False: 14.7k]
  ------------------
  654|  1.96k|            auto new_tail = node_t::copy_leaf(tail, new_size - tail_off);
  655|  1.96k|            return {new_size, shift, root->inc(), new_tail};
  656|  14.7k|        } else {
  657|  14.7k|            using std::get;
  658|  14.7k|            auto l = new_size - 1;
  659|  14.7k|            auto v = slice_right_visitor<node_t>();
  660|  14.7k|            auto r = visit_maybe_relaxed_sub(root, shift, tail_off, v, l);
  661|  14.7k|            auto new_shift = get<0>(r);
  662|  14.7k|            auto new_root  = get<1>(r);
  663|  14.7k|            auto new_tail  = get<3>(r);
  664|  14.7k|            if (new_root) {
  ------------------
  |  Branch (664:17): [True: 10.2k, False: 4.44k]
  ------------------
  665|  10.2k|                IMMER_ASSERT_TAGGED(new_root->compute_shift() == get<0>(r));
  ------------------
  |  |   68|  10.2k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (665:17): [True: 10.2k, False: 0]
  ------------------
  666|  10.2k|                assert(new_root->check(new_shift, new_size - get<2>(r)));
  ------------------
  |  Branch (666:17): [True: 10.2k, False: 0]
  ------------------
  667|  10.2k|                return {new_size, new_shift, new_root, new_tail};
  668|  10.2k|            } else {
  669|  4.44k|                return {new_size, BL, empty_root(), new_tail};
  670|  4.44k|            }
  671|  14.7k|        }
  672|  21.1k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2ERKSB_:
  151|  13.8k|        : rrbtree{other.size, other.shift, other.root, other.tail}
  152|  13.8k|    {
  153|  13.8k|        inc();
  154|  13.8k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE3incEv:
  187|  13.8k|    {
  188|  13.8k|        root->inc();
  189|  13.8k|        tail->inc();
  190|  13.8k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4dropEm:
  711|  27.7k|    {
  712|  27.7k|        if (elems == 0) {
  ------------------
  |  Branch (712:13): [True: 2.12k, False: 25.6k]
  ------------------
  713|  2.12k|            return *this;
  714|  25.6k|        } else if (elems >= size) {
  ------------------
  |  Branch (714:20): [True: 1.19k, False: 24.4k]
  ------------------
  715|  1.19k|            return {};
  716|  24.4k|        } else if (elems == tail_offset()) {
  ------------------
  |  Branch (716:20): [True: 2.05k, False: 22.3k]
  ------------------
  717|  2.05k|            return {size - elems, BL, empty_root(), tail->inc()};
  718|  22.3k|        } else if (elems > tail_offset()) {
  ------------------
  |  Branch (718:20): [True: 2.30k, False: 20.0k]
  ------------------
  719|  2.30k|            auto tail_off = tail_offset();
  720|  2.30k|            auto new_tail =
  721|  2.30k|                node_t::copy_leaf(tail, elems - tail_off, size - tail_off);
  722|  2.30k|            return {size - elems, BL, empty_root(), new_tail};
  723|  20.0k|        } else {
  724|  20.0k|            using std::get;
  725|  20.0k|            auto v = slice_left_visitor<node_t>();
  726|  20.0k|            auto r =
  727|  20.0k|                visit_maybe_relaxed_sub(root, shift, tail_offset(), v, elems);
  728|  20.0k|            auto new_root  = get<1>(r);
  729|  20.0k|            auto new_shift = get<0>(r);
  730|  20.0k|            return {size - elems, new_shift, new_root, tail->inc()};
  731|  20.0k|        }
  732|  27.7k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE8max_sizeEv:
   54|  3.66M|    {
   55|  3.66M|        auto S = sizeof(size_t) * 8;
   56|  3.66M|        return ((size_t{1} << BL) - std::min(size_t{BL}, size_t{2})) *
   57|  3.66M|               ipow((size_t{1} << B) - 2, (S - BL) / B);
   58|  3.66M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6concatERKSB_:
  735|  2.18M|    {
  736|  2.18M|        assert(r.size + size <= max_size());
  ------------------
  |  Branch (736:9): [True: 2.18M, False: 0]
  ------------------
  737|  2.18M|        using std::get;
  738|  2.18M|        if (size == 0)
  ------------------
  |  Branch (738:13): [True: 4.67k, False: 2.18M]
  ------------------
  739|  4.67k|            return r;
  740|  2.18M|        else if (r.size == 0)
  ------------------
  |  Branch (740:18): [True: 3.90k, False: 2.17M]
  ------------------
  741|  3.90k|            return *this;
  742|  2.17M|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (742:18): [True: 1.10M, False: 1.06M]
  ------------------
  743|       |            // just concat the tail, similar to push_back
  744|  1.10M|            auto tail_offst = tail_offset();
  745|  1.10M|            auto tail_size  = size - tail_offst;
  746|  1.10M|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (746:17): [True: 154k, False: 955k]
  ------------------
  747|   154k|                auto new_root =
  748|   154k|                    push_tail(root, shift, tail_offst, tail, tail_size);
  749|   154k|                tail->inc();
  750|   154k|                return {size + r.size,
  751|   154k|                        get<0>(new_root),
  752|   154k|                        get<1>(new_root),
  753|   154k|                        r.tail->inc()};
  754|   955k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (754:24): [True: 43.3k, False: 911k]
  ------------------
  755|  43.3k|                auto new_tail =
  756|  43.3k|                    node_t::copy_leaf(tail, tail_size, r.tail, r.size);
  757|  43.3k|                return {size + r.size, shift, root->inc(), new_tail};
  758|   911k|            } else {
  759|   911k|                auto remaining = branches<BL> - tail_size;
  760|   911k|                auto add_tail =
  761|   911k|                    node_t::copy_leaf(tail, tail_size, r.tail, remaining);
  762|   911k|                IMMER_TRY {
  ------------------
  |  |   49|   911k|#define IMMER_TRY try
  ------------------
  763|   911k|                    auto new_tail =
  764|   911k|                        node_t::copy_leaf(r.tail, remaining, r.size);
  765|   911k|                    IMMER_TRY {
  ------------------
  |  |   49|   911k|#define IMMER_TRY try
  ------------------
  766|   911k|                        auto new_root = push_tail(
  767|   911k|                            root, shift, tail_offst, add_tail, branches<BL>);
  768|   911k|                        return {size + r.size,
  769|   911k|                                get<0>(new_root),
  770|   911k|                                get<1>(new_root),
  771|   911k|                                new_tail};
  772|   911k|                    }
  773|   911k|                    IMMER_CATCH (...) {
  774|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
  775|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  776|      0|                    }
  777|   911k|                }
  778|   911k|                IMMER_CATCH (...) {
  779|      0|                    node_t::delete_leaf(add_tail, branches<BL>);
  780|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  781|      0|                }
  782|   911k|            }
  783|  1.10M|        } else if (tail_offset() == 0) {
  ------------------
  |  Branch (783:20): [True: 6.36k, False: 1.06M]
  ------------------
  784|  6.36k|            auto tail_offst = tail_offset();
  785|  6.36k|            auto tail_size  = size - tail_offst;
  786|  6.36k|            auto concated =
  787|  6.36k|                concat_trees(tail, tail_size, r.root, r.shift, r.tail_offset());
  788|  6.36k|            auto new_shift = concated.shift();
  789|  6.36k|            auto new_root  = concated.node();
  790|  6.36k|            IMMER_ASSERT_TAGGED(new_shift == new_root->compute_shift());
  ------------------
  |  |   68|  6.36k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (790:13): [True: 6.36k, False: 0]
  ------------------
  791|  6.36k|            assert(new_root->check(new_shift, size + r.tail_offset()));
  ------------------
  |  Branch (791:13): [True: 6.36k, False: 0]
  ------------------
  792|  6.36k|            return {size + r.size, new_shift, new_root, r.tail->inc()};
  793|  1.06M|        } else {
  794|  1.06M|            auto tail_offst = tail_offset();
  795|  1.06M|            auto tail_size  = size - tail_offst;
  796|  1.06M|            auto concated   = concat_trees(root,
  797|  1.06M|                                         shift,
  798|  1.06M|                                         tail_offst,
  799|  1.06M|                                         tail,
  800|  1.06M|                                         tail_size,
  801|  1.06M|                                         r.root,
  802|  1.06M|                                         r.shift,
  803|  1.06M|                                         r.tail_offset());
  804|  1.06M|            auto new_shift  = concated.shift();
  805|  1.06M|            auto new_root   = concated.node();
  806|  1.06M|            IMMER_ASSERT_TAGGED(new_shift == new_root->compute_shift());
  ------------------
  |  |   68|  1.06M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (806:13): [True: 1.06M, False: 0]
  ------------------
  807|  1.06M|            assert(new_root->check(new_shift, size + r.tail_offset()));
  ------------------
  |  Branch (807:13): [True: 1.06M, False: 0]
  ------------------
  808|  1.06M|            return {size + r.size, new_shift, new_root, r.tail->inc()};
  809|  1.06M|        }
  810|  2.18M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE13push_back_mutENS9_5applyIS6_E4type4editEi:
  478|  28.6k|    {
  479|  28.6k|        auto ts = tail_size();
  480|  28.6k|        if (ts < branches<BL>) {
  ------------------
  |  Branch (480:13): [True: 21.7k, False: 6.90k]
  ------------------
  481|  21.7k|            ensure_mutable_tail(e, ts);
  482|  21.7k|            new (&tail->leaf()[ts]) T(std::move(value));
  483|  21.7k|        } else {
  484|  6.90k|            using std::get;
  485|  6.90k|            auto new_tail = node_t::make_leaf_e(e, std::move(value));
  486|  6.90k|            auto tail_off = tail_offset();
  487|  6.90k|            IMMER_TRY {
  ------------------
  |  |   49|  6.90k|#define IMMER_TRY try
  ------------------
  488|  6.90k|                push_tail_mut(e, tail_off, tail, ts);
  489|  6.90k|                tail = new_tail;
  490|  6.90k|            }
  491|  6.90k|            IMMER_CATCH (...) {
  492|      0|                node_t::delete_leaf(new_tail, 1u);
  493|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  494|      0|            }
  495|  6.90k|        }
  496|  28.6k|        ++size;
  497|  28.6k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE19ensure_mutable_tailENS9_5applyIS6_E4type4editEj:
  469|   317k|    {
  470|   317k|        if (!tail->can_mutate(e)) {
  ------------------
  |  Branch (470:13): [True: 7.47k, False: 309k]
  ------------------
  471|  7.47k|            auto new_tail = node_t::copy_leaf_e(e, tail, n);
  472|  7.47k|            dec_leaf(tail, n);
  473|  7.47k|            tail = new_tail;
  474|  7.47k|        }
  475|   317k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE13push_tail_mutENS9_5applyIS6_E4type4editEmPNS1_4nodeIiSA_Lj3ELj3EEEj:
  417|   327k|    {
  418|   327k|        if (auto r = root->relaxed()) {
  ------------------
  |  Branch (418:18): [True: 169k, False: 157k]
  ------------------
  419|   169k|            auto new_root =
  420|   169k|                make_relaxed_pos(root, shift, r)
  421|   169k|                    .visit(push_tail_mut_visitor<node_t>{}, e, tail, tail_size);
  422|   169k|            if (new_root) {
  ------------------
  |  Branch (422:17): [True: 168k, False: 1.23k]
  ------------------
  423|   168k|                root = new_root;
  424|   168k|            } else {
  425|  1.23k|                auto new_root = node_t::make_inner_r_e(e);
  426|  1.23k|                IMMER_TRY {
  ------------------
  |  |   49|  1.23k|#define IMMER_TRY try
  ------------------
  427|  1.23k|                    auto new_path        = node_t::make_path_e(e, shift, tail);
  428|  1.23k|                    new_root->inner()[0] = root;
  429|  1.23k|                    new_root->inner()[1] = new_path;
  430|  1.23k|                    new_root->relaxed()->d.sizes[0] = tail_off;
  431|  1.23k|                    new_root->relaxed()->d.sizes[1] = tail_off + tail_size;
  432|  1.23k|                    assert(tail_off);
  ------------------
  |  Branch (432:21): [True: 1.23k, False: 0]
  ------------------
  433|  1.23k|                    assert(tail_size);
  ------------------
  |  Branch (433:21): [True: 1.23k, False: 0]
  ------------------
  434|  1.23k|                    new_root->relaxed()->d.count = 2u;
  435|  1.23k|                    root                         = new_root;
  436|  1.23k|                    shift += B;
  437|  1.23k|                }
  438|  1.23k|                IMMER_CATCH (...) {
  439|      0|                    node_t::delete_inner_r_e(new_root);
  440|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  441|      0|                }
  442|  1.23k|            }
  443|   169k|        } else if (tail_off == size_t{branches<B>} << shift) {
  ------------------
  |  Branch (443:20): [True: 1.92k, False: 155k]
  ------------------
  444|  1.92k|            auto new_root = node_t::make_inner_e(e);
  445|  1.92k|            IMMER_TRY {
  ------------------
  |  |   49|  1.92k|#define IMMER_TRY try
  ------------------
  446|  1.92k|                auto new_path        = node_t::make_path_e(e, shift, tail);
  447|  1.92k|                new_root->inner()[0] = root;
  448|  1.92k|                new_root->inner()[1] = new_path;
  449|  1.92k|                root                 = new_root;
  450|  1.92k|                shift += B;
  451|  1.92k|            }
  452|  1.92k|            IMMER_CATCH (...) {
  453|      0|                node_t::delete_inner_e(new_root);
  454|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  455|      0|            }
  456|   155k|        } else if (tail_off) {
  ------------------
  |  Branch (456:20): [True: 153k, False: 1.95k]
  ------------------
  457|   153k|            auto new_root =
  458|   153k|                make_regular_sub_pos(root, shift, tail_off)
  459|   153k|                    .visit(push_tail_mut_visitor<node_t>{}, e, tail);
  460|   153k|            root = new_root;
  461|   153k|        } else {
  462|  1.95k|            auto new_root = node_t::make_path_e(e, shift, tail);
  463|  1.95k|            dec_empty_regular(root);
  464|  1.95k|            root = new_root;
  465|  1.95k|        }
  466|   327k|    }
flex-vector-st.cpp:_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10update_mutIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSG_E0_EEvNS9_5applyIS6_E4type4editEmOSG_:
  573|  15.7k|    {
  574|  15.7k|        auto& elem = get_mut(e, idx);
  575|  15.7k|        elem       = std::forward<FnT>(fn)(std::move(elem));
  576|  15.7k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE7get_mutENS9_5applyIS6_E4type4editEm:
  539|  15.7k|    {
  540|  15.7k|        auto tail_off = tail_offset();
  541|  15.7k|        if (idx >= tail_off) {
  ------------------
  |  Branch (541:13): [True: 821, False: 14.8k]
  ------------------
  542|    821|            ensure_mutable_tail(e, size - tail_off);
  543|    821|            return tail->leaf()[(idx - tail_off) & mask<BL>];
  544|  14.8k|        } else {
  545|  14.8k|            return visit_maybe_relaxed_sub(root,
  546|  14.8k|                                           shift,
  547|  14.8k|                                           tail_off,
  548|  14.8k|                                           get_mut_visitor<node_t>{},
  549|  14.8k|                                           idx,
  550|  14.8k|                                           e,
  551|  14.8k|                                           &root);
  552|  14.8k|        }
  553|  15.7k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE8take_mutENS9_5applyIS6_E4type4editEm:
  606|  32.8k|    {
  607|  32.8k|        auto tail_off = tail_offset();
  608|  32.8k|        if (new_size == 0) {
  ------------------
  |  Branch (608:13): [True: 891, False: 31.9k]
  ------------------
  609|    891|            *this = {};
  610|  31.9k|        } else if (new_size >= size) {
  ------------------
  |  Branch (610:20): [True: 737, False: 31.1k]
  ------------------
  611|    737|            return;
  612|  31.1k|        } else if (new_size > tail_off) {
  ------------------
  |  Branch (612:20): [True: 590, False: 30.5k]
  ------------------
  613|    590|            auto ts    = size - tail_off;
  614|    590|            auto newts = new_size - tail_off;
  615|    590|            if (tail->can_mutate(e)) {
  ------------------
  |  Branch (615:17): [True: 310, False: 280]
  ------------------
  616|    310|                detail::destroy_n(tail->leaf() + newts, ts - newts);
  617|    310|            } else {
  618|    280|                auto new_tail = node_t::copy_leaf_e(e, tail, newts);
  619|    280|                dec_leaf(tail, ts);
  620|    280|                tail = new_tail;
  621|    280|            }
  622|    590|            size = new_size;
  623|    590|            return;
  624|  30.5k|        } else {
  625|  30.5k|            using std::get;
  626|  30.5k|            auto l = new_size - 1;
  627|  30.5k|            auto v = slice_right_mut_visitor<node_t>();
  628|  30.5k|            auto r = visit_maybe_relaxed_sub(root, shift, tail_off, v, l, e);
  629|  30.5k|            auto new_shift = get<0>(r);
  630|  30.5k|            auto new_root  = get<1>(r);
  631|  30.5k|            auto new_tail  = get<3>(r);
  632|  30.5k|            if (new_root) {
  ------------------
  |  Branch (632:17): [True: 24.6k, False: 5.98k]
  ------------------
  633|  24.6k|                root  = new_root;
  634|  24.6k|                shift = new_shift;
  635|  24.6k|            } else {
  636|  5.98k|                root  = empty_root();
  637|  5.98k|                shift = BL;
  638|  5.98k|            }
  639|  30.5k|            dec_leaf(tail, size - tail_off);
  640|  30.5k|            size = new_size;
  641|  30.5k|            tail = new_tail;
  642|  30.5k|            return;
  643|  30.5k|        }
  644|  32.8k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE8drop_mutENS9_5applyIS6_E4type4editEm:
  675|  69.5k|    {
  676|  69.5k|        using std::get;
  677|  69.5k|        auto tail_off = tail_offset();
  678|  69.5k|        if (elems == 0) {
  ------------------
  |  Branch (678:13): [True: 4.81k, False: 64.6k]
  ------------------
  679|  4.81k|            return;
  680|  64.6k|        } else if (elems >= size) {
  ------------------
  |  Branch (680:20): [True: 223, False: 64.4k]
  ------------------
  681|    223|            *this = {};
  682|  64.4k|        } else if (elems == tail_off) {
  ------------------
  |  Branch (682:20): [True: 218, False: 64.2k]
  ------------------
  683|    218|            dec_inner(root, shift, tail_off);
  684|    218|            shift = BL;
  685|    218|            root  = empty_root();
  686|    218|            size -= elems;
  687|    218|            return;
  688|  64.2k|        } else if (elems > tail_off) {
  ------------------
  |  Branch (688:20): [True: 929, False: 63.3k]
  ------------------
  689|    929|            auto v = slice_left_mut_visitor<node_t>();
  690|    929|            tail   = get<1>(make_leaf_sub_pos(tail, size - tail_off)
  691|    929|                              .visit(v, elems - tail_off, e));
  692|    929|            if (tail_off) {
  ------------------
  |  Branch (692:17): [True: 366, False: 563]
  ------------------
  693|    366|                dec_inner(root, shift, tail_off);
  694|    366|                shift = BL;
  695|    366|                root  = empty_root();
  696|    366|            }
  697|    929|            size -= elems;
  698|    929|            return;
  699|  63.3k|        } else {
  700|  63.3k|            auto v = slice_left_mut_visitor<node_t>();
  701|  63.3k|            auto r =
  702|  63.3k|                visit_maybe_relaxed_sub(root, shift, tail_off, v, elems, e);
  703|  63.3k|            shift = get<0>(r);
  704|  63.3k|            root  = get<1>(r);
  705|  63.3k|            size -= elems;
  706|  63.3k|            return;
  707|  63.3k|        }
  708|  69.5k|    }
_ZN5immer6detail4rbts12concat_mut_lERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS9_5applyIS6_E4type4editERKSB_:
  816|   340k|    {
  817|   340k|        assert(&l != &r);
  ------------------
  |  Branch (817:9): [True: 340k, False: 0]
  ------------------
  818|   340k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (818:9): [True: 340k, False: 0]
  ------------------
  819|   340k|        using std::get;
  820|   340k|        if (l.size == 0)
  ------------------
  |  Branch (820:13): [True: 413, False: 340k]
  ------------------
  821|    413|            l = r;
  822|   340k|        else if (r.size == 0)
  ------------------
  |  Branch (822:18): [True: 928, False: 339k]
  ------------------
  823|    928|            return;
  824|   339k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (824:18): [True: 275k, False: 63.9k]
  ------------------
  825|       |            // just concat the tail, similar to push_back
  826|   275k|            auto tail_offst = l.tail_offset();
  827|   275k|            auto tail_size  = l.size - tail_offst;
  828|   275k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (828:17): [True: 18.4k, False: 257k]
  ------------------
  829|  18.4k|                l.push_tail_mut(el, tail_offst, l.tail, tail_size);
  830|  18.4k|                l.tail = r.tail->inc();
  831|  18.4k|                l.size += r.size;
  832|  18.4k|                return;
  833|   257k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (833:24): [True: 6.28k, False: 250k]
  ------------------
  834|  6.28k|                l.ensure_mutable_tail(el, tail_size);
  835|  6.28k|                detail::uninitialized_copy(r.tail->leaf(),
  836|  6.28k|                                           r.tail->leaf() + r.size,
  837|  6.28k|                                           l.tail->leaf() + tail_size);
  838|  6.28k|                l.size += r.size;
  839|  6.28k|                return;
  840|   250k|            } else {
  841|   250k|                auto remaining = branches<BL> - tail_size;
  842|   250k|                l.ensure_mutable_tail(el, tail_size);
  843|   250k|                detail::uninitialized_copy(r.tail->leaf(),
  844|   250k|                                           r.tail->leaf() + remaining,
  845|   250k|                                           l.tail->leaf() + tail_size);
  846|   250k|                IMMER_TRY {
  ------------------
  |  |   49|   250k|#define IMMER_TRY try
  ------------------
  847|   250k|                    auto new_tail =
  848|   250k|                        node_t::copy_leaf_e(el, r.tail, remaining, r.size);
  849|   250k|                    IMMER_TRY {
  ------------------
  |  |   49|   250k|#define IMMER_TRY try
  ------------------
  850|   250k|                        l.push_tail_mut(el, tail_offst, l.tail, branches<BL>);
  851|   250k|                        l.tail = new_tail;
  852|   250k|                        l.size += r.size;
  853|   250k|                        return;
  854|   250k|                    }
  855|   250k|                    IMMER_CATCH (...) {
  856|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
  857|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  858|      0|                    }
  859|   250k|                }
  860|   250k|                IMMER_CATCH (...) {
  861|      0|                    detail::destroy_n(r.tail->leaf() + tail_size, remaining);
  862|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  863|      0|                }
  864|   250k|            }
  865|   275k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (865:20): [True: 632, False: 63.2k]
  ------------------
  866|    632|            if (supports_transient_concat) {
  ------------------
  |  Branch (866:17): [Folded, False: 632]
  ------------------
  867|      0|                auto tail_offst = l.tail_offset();
  868|      0|                auto tail_size  = l.size - tail_offst;
  869|      0|                auto concated =
  870|      0|                    concat_trees_mut(el,
  871|      0|                                     el,
  872|      0|                                     l.tail,
  873|      0|                                     tail_size,
  874|      0|                                     MemoryPolicy::transience_t::noone,
  875|      0|                                     r.root,
  876|      0|                                     r.shift,
  877|      0|                                     r.tail_offset());
  878|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (878:17): [True: 0, False: 0]
  ------------------
  879|      0|                                    concated.node()->compute_shift());
  880|      0|                l.size += r.size;
  881|      0|                l.shift = concated.shift();
  882|      0|                l.root  = concated.node();
  883|      0|                l.tail  = r.tail;
  884|      0|                assert(l.check_tree());
  ------------------
  |  Branch (884:17): [True: 0, False: 0]
  ------------------
  885|    632|            } else {
  886|    632|                auto tail_offst = l.tail_offset();
  887|    632|                auto tail_size  = l.size - tail_offst;
  888|    632|                auto concated   = concat_trees(
  889|    632|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
  890|    632|                l = {l.size + r.size,
  891|    632|                     concated.shift(),
  892|    632|                     concated.node(),
  893|    632|                     r.tail->inc()};
  894|    632|                assert(l.check_tree());
  ------------------
  |  Branch (894:17): [True: 632, False: 0]
  ------------------
  895|    632|                return;
  896|    632|            }
  897|  63.2k|        } else {
  898|  63.2k|            if (supports_transient_concat) {
  ------------------
  |  Branch (898:17): [Folded, False: 63.2k]
  ------------------
  899|      0|                auto tail_offst = l.tail_offset();
  900|      0|                auto tail_size  = l.size - tail_offst;
  901|      0|                assert(l.check_tree());
  ------------------
  |  Branch (901:17): [True: 0, False: 0]
  ------------------
  902|      0|                assert(r.check_tree());
  ------------------
  |  Branch (902:17): [True: 0, False: 0]
  ------------------
  903|      0|                auto concated =
  904|      0|                    concat_trees_mut(el,
  905|      0|                                     el,
  906|      0|                                     l.root,
  907|      0|                                     l.shift,
  908|      0|                                     tail_offst,
  909|      0|                                     l.tail,
  910|      0|                                     tail_size,
  911|      0|                                     MemoryPolicy::transience_t::noone,
  912|      0|                                     r.root,
  913|      0|                                     r.shift,
  914|      0|                                     r.tail_offset());
  915|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (915:17): [True: 0, False: 0]
  ------------------
  916|      0|                                    concated.node()->compute_shift());
  917|      0|                l.size += r.size;
  918|      0|                l.shift = concated.shift();
  919|      0|                l.root  = concated.node();
  920|      0|                l.tail  = r.tail;
  921|      0|                assert(l.check_tree());
  ------------------
  |  Branch (921:17): [True: 0, False: 0]
  ------------------
  922|  63.2k|            } else {
  923|  63.2k|                auto tail_offst = l.tail_offset();
  924|  63.2k|                auto tail_size  = l.size - tail_offst;
  925|  63.2k|                auto concated   = concat_trees(l.root,
  926|  63.2k|                                             l.shift,
  927|  63.2k|                                             tail_offst,
  928|  63.2k|                                             l.tail,
  929|  63.2k|                                             tail_size,
  930|  63.2k|                                             r.root,
  931|  63.2k|                                             r.shift,
  932|  63.2k|                                             r.tail_offset());
  933|  63.2k|                l               = {l.size + r.size,
  934|  63.2k|                                   concated.shift(),
  935|  63.2k|                                   concated.node(),
  936|  63.2k|                                   r.tail->inc()};
  937|  63.2k|            }
  938|  63.2k|        }
  939|   340k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEaSERKSB_:
  163|  2.42k|    {
  164|  2.42k|        auto next{other};
  165|  2.42k|        swap(*this, next);
  166|  2.42k|        return *this;
  167|  2.42k|    }
_ZN5immer6detail4rbts12concat_mut_rERKNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERSB_NS9_5applyIS6_E4type4editE:
  942|  4.52k|    {
  943|  4.52k|        assert(&l != &r);
  ------------------
  |  Branch (943:9): [True: 4.52k, False: 0]
  ------------------
  944|  4.52k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (944:9): [True: 4.52k, False: 0]
  ------------------
  945|  4.52k|        using std::get;
  946|  4.52k|        if (r.size == 0)
  ------------------
  |  Branch (946:13): [True: 454, False: 4.07k]
  ------------------
  947|    454|            r = std::move(l);
  948|  4.07k|        else if (l.size == 0)
  ------------------
  |  Branch (948:18): [True: 231, False: 3.84k]
  ------------------
  949|    231|            return;
  950|  3.84k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (950:18): [True: 975, False: 2.86k]
  ------------------
  951|       |            // just concat the tail, similar to push_back
  952|    975|            auto tail_offst = l.tail_offset();
  953|    975|            auto tail_size  = l.size - tail_offst;
  954|    975|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (954:17): [True: 407, False: 568]
  ------------------
  955|       |                // this could be improved by making sure that the
  956|       |                // newly created nodes as part of the `push_tail()`
  957|       |                // are tagged with `er`
  958|    407|                auto res =
  959|    407|                    l.push_tail(l.root, l.shift, tail_offst, l.tail, tail_size);
  960|    407|                l.tail->inc(); // note: leak if mutably concatenated
  961|       |                               // with itself, but this is forbidden
  962|       |                               // by the interface
  963|    407|                r = {l.size + r.size, get<0>(res), get<1>(res), r.tail->inc()};
  964|    407|                return;
  965|    568|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (965:24): [True: 310, False: 258]
  ------------------
  966|       |                // doing this in a exception way mutating way is very
  967|       |                // tricky while potential performance gains are
  968|       |                // minimal (we need to move every element of the right
  969|       |                // tail anyways to make space for the left tail)
  970|       |                //
  971|       |                // we could however improve this by at least moving the
  972|       |                // elements of the right tail...
  973|    310|                auto new_tail =
  974|    310|                    node_t::copy_leaf(l.tail, tail_size, r.tail, r.size);
  975|    310|                r = {l.size + r.size, l.shift, l.root->inc(), new_tail};
  976|    310|                return;
  977|    310|            } else {
  978|       |                // like the immutable version
  979|    258|                auto remaining = branches<BL> - tail_size;
  980|    258|                auto add_tail  = node_t::copy_leaf_e(
  981|    258|                    er, l.tail, tail_size, r.tail, remaining);
  982|    258|                IMMER_TRY {
  ------------------
  |  |   49|    258|#define IMMER_TRY try
  ------------------
  983|    258|                    auto new_tail =
  984|    258|                        node_t::copy_leaf_e(er, r.tail, remaining, r.size);
  985|    258|                    IMMER_TRY {
  ------------------
  |  |   49|    258|#define IMMER_TRY try
  ------------------
  986|       |                        // this could be improved by making sure that the
  987|       |                        // newly created nodes as part of the `push_tail()`
  988|       |                        // are tagged with `er`
  989|    258|                        auto new_root = l.push_tail(l.root,
  990|    258|                                                    l.shift,
  991|    258|                                                    tail_offst,
  992|    258|                                                    add_tail,
  993|    258|                                                    branches<BL>);
  994|    258|                        r             = {l.size + r.size,
  995|    258|                                         get<0>(new_root),
  996|    258|                                         get<1>(new_root),
  997|    258|                                         new_tail};
  998|    258|                        return;
  999|    258|                    }
 1000|    258|                    IMMER_CATCH (...) {
 1001|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
 1002|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1003|      0|                    }
 1004|    258|                }
 1005|    258|                IMMER_CATCH (...) {
 1006|      0|                    node_t::delete_leaf(add_tail, branches<BL>);
 1007|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1008|      0|                }
 1009|    258|            }
 1010|  2.86k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (1010:20): [True: 1.44k, False: 1.42k]
  ------------------
 1011|  1.44k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1011:17): [Folded, False: 1.44k]
  ------------------
 1012|      0|                auto tail_offst = l.tail_offset();
 1013|      0|                auto tail_size  = l.size - tail_offst;
 1014|      0|                auto concated =
 1015|      0|                    concat_trees_mut(er,
 1016|      0|                                     MemoryPolicy::transience_t::noone,
 1017|      0|                                     l.tail,
 1018|      0|                                     tail_size,
 1019|      0|                                     er,
 1020|      0|                                     r.root,
 1021|      0|                                     r.shift,
 1022|      0|                                     r.tail_offset());
 1023|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1023:17): [True: 0, False: 0]
  ------------------
 1024|      0|                                    concated.node()->compute_shift());
 1025|      0|                r.size += l.size;
 1026|      0|                r.shift = concated.shift();
 1027|      0|                r.root  = concated.node();
 1028|      0|                assert(r.check_tree());
  ------------------
  |  Branch (1028:17): [True: 0, False: 0]
  ------------------
 1029|  1.44k|            } else {
 1030|  1.44k|                auto tail_offst = l.tail_offset();
 1031|  1.44k|                auto tail_size  = l.size - tail_offst;
 1032|  1.44k|                auto concated   = concat_trees(
 1033|  1.44k|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
 1034|  1.44k|                r = {l.size + r.size,
 1035|  1.44k|                     concated.shift(),
 1036|  1.44k|                     concated.node(),
 1037|  1.44k|                     r.tail->inc()};
 1038|  1.44k|                return;
 1039|  1.44k|            }
 1040|  1.44k|        } else {
 1041|  1.42k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1041:17): [Folded, False: 1.42k]
  ------------------
 1042|      0|                auto tail_offst = l.tail_offset();
 1043|      0|                auto tail_size  = l.size - tail_offst;
 1044|      0|                auto concated =
 1045|      0|                    concat_trees_mut(er,
 1046|      0|                                     MemoryPolicy::transience_t::noone,
 1047|      0|                                     l.root,
 1048|      0|                                     l.shift,
 1049|      0|                                     tail_offst,
 1050|      0|                                     l.tail,
 1051|      0|                                     tail_size,
 1052|      0|                                     er,
 1053|      0|                                     r.root,
 1054|      0|                                     r.shift,
 1055|      0|                                     r.tail_offset());
 1056|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1056:17): [True: 0, False: 0]
  ------------------
 1057|      0|                                    concated.node()->compute_shift());
 1058|      0|                r.size += l.size;
 1059|      0|                r.shift = concated.shift();
 1060|      0|                r.root  = concated.node();
 1061|      0|                assert(r.check_tree());
  ------------------
  |  Branch (1061:17): [True: 0, False: 0]
  ------------------
 1062|      0|                return;
 1063|  1.42k|            } else {
 1064|  1.42k|                auto tail_offst = l.tail_offset();
 1065|  1.42k|                auto tail_size  = l.size - tail_offst;
 1066|  1.42k|                auto concated   = concat_trees(l.root,
 1067|  1.42k|                                             l.shift,
 1068|  1.42k|                                             tail_offst,
 1069|  1.42k|                                             l.tail,
 1070|  1.42k|                                             tail_size,
 1071|  1.42k|                                             r.root,
 1072|  1.42k|                                             r.shift,
 1073|  1.42k|                                             r.tail_offset());
 1074|  1.42k|                r               = {l.size + r.size,
 1075|  1.42k|                                   concated.shift(),
 1076|  1.42k|                                   concated.node(),
 1077|  1.42k|                                   r.tail->inc()};
 1078|  1.42k|                return;
 1079|  1.42k|            }
 1080|  1.42k|        }
 1081|  4.52k|    }
_ZN5immer6detail4rbts15concat_mut_lr_lERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEENS9_5applyIS6_E4type4editESC_SG_:
 1084|   365k|    {
 1085|   365k|        assert(&l != &r);
  ------------------
  |  Branch (1085:9): [True: 365k, False: 0]
  ------------------
 1086|   365k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (1086:9): [True: 365k, False: 0]
  ------------------
 1087|   365k|        using std::get;
 1088|   365k|        if (l.size == 0)
  ------------------
  |  Branch (1088:13): [True: 1.56k, False: 364k]
  ------------------
 1089|  1.56k|            l = r;
 1090|   364k|        else if (r.size == 0)
  ------------------
  |  Branch (1090:18): [True: 1.00k, False: 363k]
  ------------------
 1091|  1.00k|            return;
 1092|   363k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (1092:18): [True: 53.8k, False: 309k]
  ------------------
 1093|       |            // just concat the tail, similar to push_back
 1094|  53.8k|            auto tail_offst = l.tail_offset();
 1095|  53.8k|            auto tail_size  = l.size - tail_offst;
 1096|  53.8k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (1096:17): [True: 16.1k, False: 37.7k]
  ------------------
 1097|  16.1k|                l.push_tail_mut(el, tail_offst, l.tail, tail_size);
 1098|  16.1k|                l.tail = r.tail->inc();
 1099|  16.1k|                l.size += r.size;
 1100|  16.1k|                return;
 1101|  37.7k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (1101:24): [True: 2.78k, False: 34.9k]
  ------------------
 1102|  2.78k|                l.ensure_mutable_tail(el, tail_size);
 1103|  2.78k|                if (r.tail->can_mutate(er))
  ------------------
  |  Branch (1103:21): [True: 1.11k, False: 1.67k]
  ------------------
 1104|  1.11k|                    detail::uninitialized_move(r.tail->leaf(),
 1105|  1.11k|                                               r.tail->leaf() + r.size,
 1106|  1.11k|                                               l.tail->leaf() + tail_size);
 1107|  1.67k|                else
 1108|  1.67k|                    detail::uninitialized_copy(r.tail->leaf(),
 1109|  1.67k|                                               r.tail->leaf() + r.size,
 1110|  1.67k|                                               l.tail->leaf() + tail_size);
 1111|  2.78k|                l.size += r.size;
 1112|  2.78k|                return;
 1113|  34.9k|            } else {
 1114|  34.9k|                auto remaining = branches<BL> - tail_size;
 1115|  34.9k|                l.ensure_mutable_tail(el, tail_size);
 1116|  34.9k|                if (r.tail->can_mutate(er))
  ------------------
  |  Branch (1116:21): [True: 14.3k, False: 20.5k]
  ------------------
 1117|  14.3k|                    detail::uninitialized_move(r.tail->leaf(),
 1118|  14.3k|                                               r.tail->leaf() + remaining,
 1119|  14.3k|                                               l.tail->leaf() + tail_size);
 1120|  20.5k|                else
 1121|  20.5k|                    detail::uninitialized_copy(r.tail->leaf(),
 1122|  20.5k|                                               r.tail->leaf() + remaining,
 1123|  20.5k|                                               l.tail->leaf() + tail_size);
 1124|  34.9k|                IMMER_TRY {
  ------------------
  |  |   49|  34.9k|#define IMMER_TRY try
  ------------------
 1125|  34.9k|                    auto new_tail =
 1126|  34.9k|                        node_t::copy_leaf_e(el, r.tail, remaining, r.size);
 1127|  34.9k|                    IMMER_TRY {
  ------------------
  |  |   49|  34.9k|#define IMMER_TRY try
  ------------------
 1128|  34.9k|                        l.push_tail_mut(el, tail_offst, l.tail, branches<BL>);
 1129|  34.9k|                        l.tail = new_tail;
 1130|  34.9k|                        l.size += r.size;
 1131|  34.9k|                        return;
 1132|  34.9k|                    }
 1133|  34.9k|                    IMMER_CATCH (...) {
 1134|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
 1135|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1136|      0|                    }
 1137|  34.9k|                }
 1138|  34.9k|                IMMER_CATCH (...) {
 1139|      0|                    detail::destroy_n(r.tail->leaf() + tail_size, remaining);
 1140|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1141|      0|                }
 1142|  34.9k|            }
 1143|   309k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (1143:20): [True: 3.20k, False: 306k]
  ------------------
 1144|  3.20k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1144:17): [Folded, False: 3.20k]
  ------------------
 1145|      0|                auto tail_offst = l.tail_offset();
 1146|      0|                auto tail_size  = l.size - tail_offst;
 1147|      0|                auto concated   = concat_trees_mut(el,
 1148|      0|                                                 el,
 1149|      0|                                                 l.tail,
 1150|      0|                                                 tail_size,
 1151|      0|                                                 er,
 1152|      0|                                                 r.root,
 1153|      0|                                                 r.shift,
 1154|      0|                                                 r.tail_offset());
 1155|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1155:17): [True: 0, False: 0]
  ------------------
 1156|      0|                                    concated.node()->compute_shift());
 1157|      0|                l.size += r.size;
 1158|      0|                l.shift = concated.shift();
 1159|      0|                l.root  = concated.node();
 1160|      0|                l.tail  = r.tail;
 1161|      0|                assert(l.check_tree());
  ------------------
  |  Branch (1161:17): [True: 0, False: 0]
  ------------------
 1162|      0|                r.hard_reset();
 1163|      0|                return;
 1164|  3.20k|            } else {
 1165|  3.20k|                auto tail_offst = l.tail_offset();
 1166|  3.20k|                auto tail_size  = l.size - tail_offst;
 1167|  3.20k|                auto concated   = concat_trees(
 1168|  3.20k|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
 1169|  3.20k|                l = {l.size + r.size,
 1170|  3.20k|                     concated.shift(),
 1171|  3.20k|                     concated.node(),
 1172|  3.20k|                     r.tail->inc()};
 1173|  3.20k|                return;
 1174|  3.20k|            }
 1175|   306k|        } else {
 1176|   306k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1176:17): [Folded, False: 306k]
  ------------------
 1177|      0|                auto tail_offst = l.tail_offset();
 1178|      0|                auto tail_size  = l.size - tail_offst;
 1179|      0|                auto concated   = concat_trees_mut(el,
 1180|      0|                                                 el,
 1181|      0|                                                 l.root,
 1182|      0|                                                 l.shift,
 1183|      0|                                                 tail_offst,
 1184|      0|                                                 l.tail,
 1185|      0|                                                 tail_size,
 1186|      0|                                                 er,
 1187|      0|                                                 r.root,
 1188|      0|                                                 r.shift,
 1189|      0|                                                 r.tail_offset());
 1190|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1190:17): [True: 0, False: 0]
  ------------------
 1191|      0|                                    concated.node()->compute_shift());
 1192|      0|                l.size += r.size;
 1193|      0|                l.shift = concated.shift();
 1194|      0|                l.root  = concated.node();
 1195|      0|                l.tail  = r.tail;
 1196|      0|                assert(l.check_tree());
  ------------------
  |  Branch (1196:17): [True: 0, False: 0]
  ------------------
 1197|      0|                r.hard_reset();
 1198|      0|                return;
 1199|   306k|            } else {
 1200|   306k|                auto tail_offst = l.tail_offset();
 1201|   306k|                auto tail_size  = l.size - tail_offst;
 1202|   306k|                auto concated   = concat_trees(l.root,
 1203|   306k|                                             l.shift,
 1204|   306k|                                             tail_offst,
 1205|   306k|                                             l.tail,
 1206|   306k|                                             tail_size,
 1207|   306k|                                             r.root,
 1208|   306k|                                             r.shift,
 1209|   306k|                                             r.tail_offset());
 1210|   306k|                l               = {l.size + r.size,
 1211|   306k|                                   concated.shift(),
 1212|   306k|                                   concated.node(),
 1213|   306k|                                   r.tail->inc()};
 1214|   306k|                return;
 1215|   306k|            }
 1216|   306k|        }
 1217|   365k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6equalsERKSB_:
  315|  34.1k|    {
  316|  34.1k|        using iter_t = rrbtree_iterator<T, MemoryPolicy, B, BL>;
  317|  34.1k|        if (size != other.size)
  ------------------
  |  Branch (317:13): [True: 10.6k, False: 23.5k]
  ------------------
  318|  10.6k|            return false;
  319|  23.5k|        if (size == 0)
  ------------------
  |  Branch (319:13): [True: 240, False: 23.3k]
  ------------------
  320|    240|            return true;
  321|  23.3k|        auto tail_off       = tail_offset();
  322|  23.3k|        auto tail_off_other = other.tail_offset();
  323|       |        // compare trees
  324|  23.3k|        if (tail_off > 0 && tail_off_other > 0) {
  ------------------
  |  Branch (324:13): [True: 22.4k, False: 834]
  |  Branch (324:29): [True: 22.2k, False: 195]
  ------------------
  325|       |            // other.shift != shift is a theoretical possibility for
  326|       |            // relaxed trees that sadly we haven't managed to exercise
  327|       |            // in tests yet...
  328|  22.2k|            if (other.shift >= shift) {
  ------------------
  |  Branch (328:17): [True: 21.7k, False: 526]
  ------------------
  329|  21.7k|                if (!visit_maybe_relaxed_sub(other.root,
  ------------------
  |  Branch (329:21): [True: 10.3k, False: 11.3k]
  ------------------
  330|  21.7k|                                             other.shift,
  331|  21.7k|                                             tail_off_other,
  332|  21.7k|                                             equals_visitor::rrb{},
  333|  21.7k|                                             iter_t{other},
  334|  21.7k|                                             root,
  335|  21.7k|                                             shift,
  336|  21.7k|                                             tail_off))
  337|  10.3k|                    return false;
  338|  21.7k|            } else {
  339|    526|                if (!visit_maybe_relaxed_sub(root,
  ------------------
  |  Branch (339:21): [True: 209, False: 317]
  ------------------
  340|    526|                                             shift,
  341|    526|                                             tail_off,
  342|    526|                                             equals_visitor::rrb{},
  343|    526|                                             iter_t{*this},
  344|    526|                                             other.root,
  345|    526|                                             other.shift,
  346|    526|                                             tail_off_other))
  347|    209|                    return false;
  348|    526|            }
  349|  22.2k|        }
  350|  12.7k|        return tail_off == tail_off_other
  ------------------
  |  Branch (350:16): [True: 7.90k, False: 4.83k]
  ------------------
  351|  12.7k|                   ? make_leaf_sub_pos(tail, tail_size())
  352|  7.90k|                         .visit(equals_visitor{}, other.tail)
  353|  12.7k|               : tail_off > tail_off_other
  ------------------
  |  Branch (353:18): [True: 1.84k, False: 2.99k]
  ------------------
  354|  4.83k|                   ? std::equal(tail->leaf(),
  355|  1.84k|                                tail->leaf() + (size - tail_off),
  356|  1.84k|                                other.tail->leaf() +
  357|  1.84k|                                    (tail_off - tail_off_other))
  358|       |                   /* otherwise */
  359|  4.83k|                   : std::equal(tail->leaf(),
  360|  2.99k|                                tail->leaf() + (size - tail_off),
  361|  2.99k|                                iter_t{other} + tail_off);
  362|  23.3k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE10region_forEm:
  524|  1.60M|    {
  525|  1.60M|        using std::get;
  526|  1.60M|        auto tail_off = tail_offset();
  527|  1.60M|        if (idx >= tail_off) {
  ------------------
  |  Branch (527:13): [True: 5.06k, False: 1.59M]
  ------------------
  528|  5.06k|            return std::make_tuple(tail->leaf(), tail_off, size);
  529|  1.59M|        } else {
  530|  1.59M|            auto subs = visit_maybe_relaxed_sub(
  531|  1.59M|                root, shift, tail_off, region_for_visitor<T>(), idx);
  532|  1.59M|            auto first = idx - get<1>(subs);
  533|  1.59M|            auto end   = first + get<2>(subs);
  534|  1.59M|            return std::make_tuple(get<0>(subs), first, end);
  535|  1.59M|        }
  536|  1.60M|    }

_ZNK5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11dereferenceEv:
   90|  11.8M|    {
   91|  11.8M|        using std::get;
   92|  11.8M|        if (i_ < get<1>(curr_) || i_ >= get<2>(curr_))
  ------------------
  |  Branch (92:13): [True: 68.0k, False: 11.7M]
  |  Branch (92:35): [True: 1.53M, False: 10.2M]
  ------------------
   93|  1.60M|            curr_ = v_->region_for(i_);
   94|  11.8M|        return get<0>(curr_)[i_ - get<1>(curr_)];
   95|  11.8M|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE7advanceEl:
   74|   232k|    {
   75|   232k|        using std::get;
   76|   232k|        assert(n <= 0 || i_ + static_cast<size_t>(n) <= v_->size);
  ------------------
  |  Branch (76:9): [True: 295, False: 232k]
  |  Branch (76:9): [True: 232k, False: 0]
  |  Branch (76:9): [True: 232k, False: 0]
  ------------------
   77|   232k|        assert(n >= 0 || static_cast<size_t>(-n) <= i_);
  ------------------
  |  Branch (77:9): [True: 232k, False: 0]
  |  Branch (77:9): [True: 0, False: 0]
  |  Branch (77:9): [True: 232k, False: 0]
  ------------------
   78|   232k|        i_ += n;
   79|   232k|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9incrementEv:
   60|  10.3M|    {
   61|  10.3M|        using std::get;
   62|  10.3M|        assert(i_ < v_->size);
  ------------------
  |  Branch (62:9): [True: 10.3M, False: 0]
  ------------------
   63|  10.3M|        ++i_;
   64|  10.3M|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2ERKNS1_7rrbtreeIiSA_Lj3ELj3EEE:
   39|  25.2k|        : v_{&v}
   40|  25.2k|        , i_{0}
   41|  25.2k|        , curr_{nullptr, ~size_t{}, ~size_t{}}
   42|  25.2k|    {
   43|  25.2k|    }

_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERmEEEDcDpOT_:
   31|  16.6k|    {
   32|  16.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  16.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERmEEEDcDpOT_:
   31|  57.1k|    {
   32|  57.1k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  57.1k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EEEE13visit_regularIJRNS1_15regular_sub_posISD_EERmEEEDcDpOT_:
   37|    812|    {
   38|    812|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    812|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb0EEEE13visit_regularIJRNS1_8full_posISD_EEmEEEDcDpOT_:
   37|  4.17k|    {
   38|  4.17k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.17k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EEEE13visit_regularIJRNS1_15regular_sub_posISD_EERmEEEDcDpOT_:
   37|  6.87k|    {
   38|  6.87k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  6.87k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EEEE13visit_regularIJRNS1_8full_posISD_EEmEEEDcDpOT_:
   37|    855|    {
   38|    855|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    855|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEELb1EEEE13visit_regularIJRNS1_15regular_sub_posISD_EEmEEEDcDpOT_:
   37|  1.91k|    {
   38|  1.91k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.91k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_25singleton_regular_sub_posISD_EENS1_14empty_leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   37|  11.6k|    {
   38|  11.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  11.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_25singleton_regular_sub_posISD_EENS1_14empty_leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   43|  11.6k|    {
   44|  11.6k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  11.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   31|  8.84k|    {
   32|  8.84k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  8.84k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   43|  8.84k|    {
   44|  8.84k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  8.84k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE10visit_leafIJRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   49|  13.9M|    {
   50|  13.9M|        return Deriv::visit_node(std::forward<Args>(args)...);
   51|  13.9M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   31|   162M|    {
   32|   162M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   162M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE11visit_innerIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   43|   162M|    {
   44|   162M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   162M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_21concat_merger_visitorEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_13concat_mergerISG_EEEEEDcDpOT_:
   31|   162M|    {
   32|   162M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   162M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   31|  53.6k|    {
   32|  53.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  53.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   37|    303|    {
   38|    303|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    303|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_8full_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   37|    903|    {
   38|    903|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    903|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE10visit_leafIJRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   49|  5.12M|    {
   50|  5.12M|        return Deriv::visit_node(std::forward<Args>(args)...);
   51|  5.12M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   37|   679k|    {
   38|   679k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   679k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE11visit_innerIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   43|   679k|    {
   44|   679k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   679k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_21concat_merger_visitorEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_13concat_mergerISG_EEEEEDcDpOT_:
   37|   679k|    {
   38|   679k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   679k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   37|  3.72M|    {
   38|  3.72M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.72M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE11visit_innerIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   43|  3.72M|    {
   44|  3.72M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  3.72M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_21concat_merger_visitorEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_13concat_mergerISG_EEEEEDcDpOT_:
   37|  3.72M|    {
   38|  3.72M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.72M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   37|  2.78k|    {
   38|  2.78k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  2.78k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   43|  2.78k|    {
   44|  2.78k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  2.78k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   31|  1.40M|    {
   32|  1.40M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.40M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   43|  1.40M|    {
   44|  1.40M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.40M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  1.39M|    {
   32|  1.39M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.39M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  1.39M|    {
   44|  1.39M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.39M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   31|  3.97M|    {
   32|  3.97M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  3.97M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EERNS1_11relaxed_posISD_EEEEEDcDpOT_:
   37|  4.98k|    {
   38|  4.98k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.98k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  1.10M|    {
   32|  1.10M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.10M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|   348k|    {
   38|   348k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   348k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   37|  2.59k|    {
   38|  2.59k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  2.59k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_8full_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  36.1k|    {
   38|  36.1k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  36.1k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EERNS1_8full_posISD_EEEEEDcDpOT_:
   37|  18.4k|    {
   38|  18.4k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  18.4k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   37|  16.7k|    {
   38|  16.7k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  16.7k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EERNS1_11relaxed_posISD_EEEEEDcDpOT_:
   37|  1.44M|    {
   38|  1.44M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.44M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  11.0M|    {
   32|  11.0M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  11.0M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  3.17k|    {
   38|  3.17k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.17k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EERNS1_15regular_sub_posISD_EEEEEDcDpOT_:
   31|  33.6k|    {
   32|  33.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  33.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_8full_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  3.79k|    {
   38|  3.79k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.79k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EERNS1_8full_posISD_EEEEEDcDpOT_:
   31|    223|    {
   32|    223|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|    223|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EERNS1_15regular_sub_posISD_EEEEEDcDpOT_:
   31|  2.91k|    {
   32|  2.91k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  2.91k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   31|  10.9M|    {
   32|  10.9M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  10.9M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  15.0k|    {
   38|  15.0k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  15.0k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  15.0k|    {
   44|  15.0k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  15.0k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   37|  24.3k|    {
   38|  24.3k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  24.3k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   43|  24.3k|    {
   44|  24.3k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  24.3k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  6.67k|    {
   32|  6.67k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  6.67k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  6.67k|    {
   44|  6.67k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  6.67k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  17.6k|    {
   38|  17.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  17.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  17.6k|    {
   44|  17.6k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  17.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   31|  11.4k|    {
   32|  11.4k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  11.4k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE11visit_innerIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   43|  11.4k|    {
   44|  11.4k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  11.4k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjSJ_RNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   31|  21.6k|    {
   32|  21.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  21.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjRNS1_15regular_sub_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   31|  2.15k|    {
   32|  2.15k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  2.15k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjRNS1_8full_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   31|    458|    {
   32|    458|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|    458|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjRNS1_8full_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|    829|    {
   38|    829|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    829|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   31|  5.73M|    {
   32|  5.73M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  5.73M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   37|   403k|    {
   38|   403k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   403k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   37|   622k|    {
   38|   622k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   622k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_regularIJRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   37|  59.1k|    {
   38|  59.1k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  59.1k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   37|  41.6k|    {
   38|  41.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  41.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjSJ_RNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|    558|    {
   38|    558|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    558|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   37|  14.0k|    {
   38|  14.0k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  14.0k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_regularIJRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   37|  5.16k|    {
   38|  5.16k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  5.16k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjRNS1_11relaxed_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|  2.89k|    {
   38|  2.89k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  2.89k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERjRNS1_11relaxed_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|  2.03k|    {
   38|  2.03k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  2.03k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   31|   172k|    {
   32|   172k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   172k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERPSH_RjRmEEEDcDpOT_:
   31|  1.06k|    {
   32|  1.06k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.06k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE11visit_innerIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERPSH_RjRmEEEDcDpOT_:
   43|  1.06k|    {
   44|  1.06k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.06k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   37|  10.8k|    {
   38|  10.8k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  10.8k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE11visit_innerIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   43|  10.8k|    {
   44|  10.8k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  10.8k|    }

_ZN5immer6detail15auto_const_castINS_22unsafe_refcount_policyEEERT_RKS3_:
  143|   745M|{
  144|   745M|    return const_cast<T&>(x);
  145|   745M|}
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE7inner_tEPSC_Lb0EE15get_storage_ptrEv:
  113|   438M|    {
  114|   438M|        check_base();
  115|   438M|        auto* base = static_cast<Derived*>(this);
  116|   438M|        return reinterpret_cast<T*>(base + 1);
  117|   438M|    }
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE7inner_tEPSC_Lb0EE10check_baseEv:
  134|   438M|    {
  135|   438M|        static_assert(std::is_standard_layout<Derived>::value &&
  136|   438M|                          !std::is_empty<Derived>::value,
  137|   438M|                      "Please add 'true' if the derived class is emtpy");
  138|   438M|    }
_ZN5immer6detail9static_ifILb1EZNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14delete_inner_rEPSC_jEUlT_E_EENSt3__19enable_ifIXT_EvE4typeEOT0_:
  329|  48.3M|{
  330|  48.3M|    std::forward<F>(f)(empty_t{});
  331|  48.3M|}
_ZN5immer6detail9destroy_nIPijEENSt3__19enable_ifIX20can_trivially_detroyIT_EES5_E4typeES5_T0_:
  188|  2.92M|{
  189|  2.92M|    return first + n;
  190|  2.92M|}
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6leaf_tEiLb1EE15get_storage_ptrEv:
   75|  19.2M|    {
   76|  19.2M|        check_base();
   77|  19.2M|        return reinterpret_cast<T*>(this);
   78|  19.2M|    }
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6leaf_tEiLb1EE10check_baseEv:
   94|  19.2M|    {
   95|       |        // is_standard_layout requires that only one class in the hierarchy
   96|       |        // contains non-static data members. Since this class contains one
   97|       |        // member, the static_assert will only hold when the derived class is
   98|       |        // empty.
   99|  19.2M|        static_assert(std::is_standard_layout<Derived>::value,
  100|  19.2M|                      "Please remove 'true' if the derived class is non emtpy");
  101|  19.2M|    }
_ZN5immer6detail18uninitialized_copyIPiS2_S2_EENSt3__19enable_ifIX18can_trivially_copyIT_T1_EES6_E4typeES5_T0_S6_:
  236|  4.31M|{
  237|  4.31M|    return std::copy(first, last, out);
  238|  4.31M|}
_ZN5immer6detail9static_ifILb0EPNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEZNSC_15make_inner_sr_nEjPNS0_3csl10member_twoINSC_14relaxed_data_tENSE_6memberIS8_NSE_7inheritINSA_5applyIS7_E4type5owneeEvE4typeEE4typeEE4typeEEUlT_E_ZNSC_15make_inner_sr_nEjST_EUlSU_E0_EENSt3__19enable_ifIXntT_ET0_E4typeEOT1_OT2_:
  344|   157k|{
  345|   157k|    return std::forward<F2>(f2)(empty_t{});
  346|   157k|}
_ZN5immer6detail4ipowImEET_S2_j:
  323|  76.9M|{
  324|  76.9M|    return pow == 0 ? 1 : num * ipow(num, pow - 1);
  ------------------
  |  Branch (324:12): [True: 3.66M, False: 73.2M]
  ------------------
  325|  76.9M|}
_ZN5immer6detail9static_ifILb0EPNS0_3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14relaxed_data_tENS2_6memberISA_NS2_7inheritINSC_5applyIS9_E4type5owneeEvE4typeEE4typeEE4typeEZNSE_24ensure_mutable_relaxed_nENSK_4editEjEUlT_E_ZNSE_24ensure_mutable_relaxed_nEST_jEUlSU_E0_EENSt3__19enable_ifIXntT_ET0_E4typeEOT1_OT2_:
  344|   212k|{
  345|   212k|    return std::forward<F2>(f2)(empty_t{});
  346|   212k|}
_ZN5immer6detail9static_ifILb1EZNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14make_inner_r_eENSA_5applyIS7_E4type4editEEUlT_E_EENSt3__19enable_ifIXT_EvE4typeEOT0_:
  329|   160k|{
  330|   160k|    std::forward<F>(f)(empty_t{});
  331|   160k|}
_ZN5immer6detail9static_ifILb0EPNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEZNSC_15make_inner_sr_eENSA_5applyIS7_E4type4editEPNS0_3csl10member_twoINSC_14relaxed_data_tENSI_6memberIS8_NSI_7inheritINSG_5owneeEvE4typeEE4typeEE4typeEEUlT_E_ZNSC_15make_inner_sr_eESH_SU_EUlSV_E0_EENSt3__19enable_ifIXntT_ET0_E4typeEOT1_OT2_:
  344|  19.8k|{
  345|  19.8k|    return std::forward<F2>(f2)(empty_t{});
  346|  19.8k|}
_ZN5immer6detail9destroy_nIPimEENSt3__19enable_ifIX20can_trivially_detroyIT_EES5_E4typeES5_T0_:
  188|    310|{
  189|    310|    return first + n;
  190|    310|}
_ZN5immer6detail9static_ifILb0EPNS0_3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14relaxed_data_tENS2_6memberISA_NS2_7inheritINSC_5applyIS9_E4type5owneeEvE4typeEE4typeEE4typeEZNSE_22ensure_mutable_relaxedENSK_4editEEUlT_E_ZNSE_22ensure_mutable_relaxedEST_EUlSU_E0_EENSt3__19enable_ifIXntT_ET0_E4typeEOT1_OT2_:
  344|   171k|{
  345|   171k|    return std::forward<F2>(f2)(empty_t{});
  346|   171k|}
_ZN5immer6detail18uninitialized_moveIPiS2_EENSt3__19enable_ifIX18can_trivially_copyIT_T0_EES6_E4typeES5_S5_S6_:
  210|  15.4k|{
  211|  15.4k|    return std::copy(first, last, out);
  212|  15.4k|}
_ZN5immer6detail8as_constIiEEPKT_PS2_:
   29|  1.54M|{
   30|  1.54M|    return x;
   31|  1.54M|}
_ZN5immer6detail4makeINS_15debug_size_heapINS_8cpp_heapEEENS_3boxIiNS_13memory_policyINS_21free_list_heap_policyIS3_Lm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE6holderEJiEEEPT0_DpOT1_:
  260|  15.5k|{
  261|  15.5k|    auto ptr = Heap::allocate(sizeof(T));
  262|  15.5k|    IMMER_TRY {
  ------------------
  |  |   49|  15.5k|#define IMMER_TRY try
  ------------------
  263|  15.5k|        return new (ptr) T(std::forward<Args>(args)...);
  264|  15.5k|    }
  265|  15.5k|    IMMER_CATCH (...) {
  266|      0|        Heap::deallocate(sizeof(T), ptr);
  267|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  268|      0|    }
  269|  15.5k|}

_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2Ev:
   96|  81.3k|    flex_vector() = default;
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9push_backEi:
  246|   270k|    {
  247|   270k|        return impl_.push_back(std::move(value));
  248|   270k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEC2ENS_6detail4rbts7rrbtreeIiS8_Lj3ELj3EEE:
  536|  2.64M|        : impl_(std::move(impl))
  537|  2.64M|    {
  538|       |#if IMMER_DEBUG_PRINT
  539|       |        // force the compiler to generate debug_print, so we can call
  540|       |        // it from a debugger
  541|       |        [](volatile auto) {}(&flex_vector::debug_print);
  542|       |#endif
  543|  2.64M|    }
_ZNK5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4sizeEv:
  181|  4.74M|    IMMER_NODISCARD size_type size() const { return impl_.size; }
flex-vector-st.cpp:_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6updateIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSE_E_EES9_mOSE_:
  323|   143k|    {
  324|   143k|        return impl_.update(index, std::forward<FnT>(fn));
  325|   143k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4takeEm:
  350|  21.1k|    {
  351|  21.1k|        return impl_.take(elems);
  352|  21.1k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4dropEm:
  376|  27.7k|    {
  377|  27.7k|        return impl_.drop(elems);
  378|  27.7k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE8max_sizeEv:
   90|  1.47M|    constexpr static size_type max_size() { return impl_t::max_size(); }
_ZN5immerplERKNS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEESB_:
  403|  2.18M|    {
  404|  2.18M|        return l.impl_.concat(r.impl_);
  405|  2.18M|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9push_backEi:
  251|  28.6k|    {
  252|  28.6k|        return push_back_move(move_t{}, std::move(value));
  253|  28.6k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE14push_back_moveENSt3__117integral_constantIbLb1EEEi:
  547|  28.6k|    {
  548|  28.6k|        impl_.push_back_mut({}, std::move(value));
  549|  28.6k|        return std::move(*this);
  550|  28.6k|    }
flex-vector-st.cpp:_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6updateIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSE_E0_EEDcmOSE_:
  329|  15.7k|    {
  330|  15.7k|        return update_move(move_t{}, index, std::forward<FnT>(fn));
  331|  15.7k|    }
flex-vector-st.cpp:_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11update_moveIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSE_E0_EEOS9_NSt3__117integral_constantIbLb1EEEmOSE_:
  568|  15.7k|    {
  569|  15.7k|        impl_.update_mut({}, index, std::forward<Fn>(fn));
  570|  15.7k|        return std::move(*this);
  571|  15.7k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4takeEm:
  355|  32.8k|    {
  356|  32.8k|        return take_move(move_t{}, elems);
  357|  32.8k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9take_moveENSt3__117integral_constantIbLb1EEEm:
  579|  32.8k|    {
  580|  32.8k|        impl_.take_mut({}, elems);
  581|  32.8k|        return std::move(*this);
  582|  32.8k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE4dropEm:
  381|  69.5k|    {
  382|  69.5k|        return drop_move(move_t{}, elems);
  383|  69.5k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE9drop_moveENSt3__117integral_constantIbLb1EEEm:
  589|  69.5k|    {
  590|  69.5k|        impl_.drop_mut({}, elems);
  591|  69.5k|        return std::move(*this);
  592|  69.5k|    }
_ZN5immerplEONS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEERKS9_:
  409|   340k|    {
  410|   340k|        return concat_move(move_t{}, std::move(l), r);
  411|   340k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEEOS9_RKS9_:
  600|   340k|    {
  601|   340k|        concat_mut_l(l.impl_, {}, r.impl_);
  602|   340k|        return std::move(l);
  603|   340k|    }
_ZN5immerplERKNS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEEOS9_:
  415|  4.52k|    {
  416|  4.52k|        return concat_move(move_t{}, l, std::move(r));
  417|  4.52k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEERKS9_OS9_:
  606|  4.52k|    {
  607|  4.52k|        concat_mut_r(l.impl_, r.impl_, {});
  608|  4.52k|        return std::move(r);
  609|  4.52k|    }
_ZN5immerplEONS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEESA_:
  421|   365k|    {
  422|   365k|        return concat_move(move_t{}, std::move(l), std::move(r));
  423|   365k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEEOS9_SD_:
  612|   365k|    {
  613|   365k|        concat_mut_lr_l(l.impl_, {}, r.impl_, {});
  614|   365k|        return std::move(l);
  615|   365k|    }
_ZNK5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EEeqERKS9_:
  222|  34.1k|    {
  223|  34.1k|        return impl_.equals(other.impl_);
  224|  34.1k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE5eraseEm:
  480|  3.69k|    {
  481|  3.69k|        return take(pos) + drop(pos + 1);
  482|  3.69k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb0ELb1EEELj3ELj3EE6insertEmi:
  442|  15.5k|    {
  443|  15.5k|        return take(pos).push_back(std::move(value)) + drop(pos);
  444|  15.5k|    }

_ZN5immer8cpp_heap10deallocateEmPv:
   36|   104M|    static void deallocate(std::size_t, void* data) { ::operator delete(data); }
_ZN5immer8cpp_heap8allocateIJEEEPvmDpT_:
   27|  56.6M|    {
   28|  56.6M|        return ::operator new(size);
   29|  56.6M|    }
_ZN5immer8cpp_heap8allocateIJNS_10norefs_tagEEEEPvmDpT_:
   27|  48.2M|    {
   28|  48.2M|        return ::operator new(size);
   29|  48.2M|    }

_ZN5immer15debug_size_heapINS_8cpp_heapEE8allocateIJEEEPvmDpT_:
   49|  15.5k|    {
   50|  15.5k|        auto p = (std::size_t*) Base::allocate(size + extra_size, tags...);
   51|  15.5k|        new (p) std::size_t{size};
   52|  15.5k|        return ((char*) p) + extra_size;
   53|  15.5k|    }
_ZN5immer15debug_size_heapINS_8cpp_heapEE10deallocateIJEEEvmPvDpT_:
   57|  15.5k|    {
   58|  15.5k|        auto p = (std::size_t*) (((char*) data) - extra_size);
   59|  15.5k|        assert(*p == size);
  ------------------
  |  Branch (59:9): [True: 15.5k, False: 0]
  ------------------
   60|  15.5k|        Base::deallocate(size + extra_size, p, tags...);
   61|  15.5k|    }

_ZN5immer15refcount_policyC2Ev:
   28|  15.5k|        : refcount{1} {};
_ZN5immer15refcount_policy3decEv:
   36|  15.5k|    bool dec() { return 1 == refcount.fetch_sub(1, std::memory_order_acq_rel); }

_ZN5immer22unsafe_refcount_policyC2Ev:
   27|   104M|        : refcount{1} {};
_ZN5immer22unsafe_refcount_policy3incEv:
   33|   318M|    void inc() { ++refcount; }
_ZN5immer22unsafe_refcount_policy3decEv:
   34|   423M|    bool dec() { return --refcount == 0; }
_ZN5immer22unsafe_refcount_policy6uniqueEv:
   35|  3.19M|    bool unique() { return refcount == 1; }

_ZNK5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5ownee5ownedEv:
   36|   104M|                bool owned() const { return false; }
_ZNK5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5ownee10can_mutateENS6_4editE:
   35|   187k|                bool can_mutate(edit) const { return false; }
_ZN5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeaSENS6_4editE:
   34|   842k|                ownee& operator=(edit) { return *this; };

